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AP® Biology (NCAA Approved)
Advance your understanding of high school biology concepts as you cover topics typically found in a first-year university biology course. This course includes a laboratory component designed to meet ...
Next start date: September 9, 2024

Grade 9+

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AP® Calculus AB
Prepare for the AP Calculus AB exam with this college-level course that covers topics in single-variable differential and integral calculus. You’ll learn from your instructor, as well as from an ...

Grade 8+

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AP® Calculus AB (NCAA Approved)
Prepare for the AP Calculus AB exam with this college-level course that covers topics in single-variable differential and integral calculus. You’ll engage with your instructor and classmates in ...
Next start date: September 9, 2024

Grade 8+

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AP® Calculus BC
Set yourself up for success on the AP Calculus BC exam in this intensive, college-level course that covers topics in single-variable differential and integral calculus. Through engagement with the ...

Grade 8+

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AP® Calculus BC (NCAA Approved)
Set yourself up for success on the AP Calculus BC exam in this intensive, college-level course that covers topics in single-variable differential and integral calculus. Through engagement with the ...
Next start date: September 9, 2024

Grade 8+

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AP® Chemistry (NCAA Approved)
Explore topics typically found in a first-year introductory college chemistry course and advance your understanding of high school chemistry concepts as you prepare for the AP Chemistry exam. This ...
Next start date: September 9, 2024

Grade 9+

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AP® Statistics
Delve into the discipline of data while also covering topics in probability, regression analysis, and sampling distributions. You’ll learn statistics through solving practice problems, consulting the ...

Grade 7+

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AP® Statistics (NCAA Approved)
Delve into the discipline of data while also covering topics in probability, regression analysis, and sampling distributions. You’ll learn statistics by solving practice problems, consulting the ...
Next start date: September 9, 2024

Grade 7+

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Arduino® Prototyping
What do punch-activated flamethrowers, automatic pet feeders, and mind-controlled drones have in common? They’re all real devices built and programmed using Arduino® microprocessors. This open-source ...
Next session begins: June 17, 2024

Grades 7-10

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Art Meets Science: Literature
In this creative writing course, we’ll explore poetry, fiction, drama, and non-literary works that use science as inspiration. After reading scientific poems, science fiction short stories, and a play ...
Next start date: June 17, 2024

Grades 8-10

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Art Meets Science: Nonfiction
In this course, we’ll read works inspired by science and art and use them as models to write and revise personal essays that explore the genre of nonfiction. You’ll reflect on personal experiences ...
Next start date: June 17, 2024

Grades 6-8

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Backyard Habitats
What creatures live around you, and how can you tell? How does gardening or mowing the lawn affect local animals and plants? What happens to bathtub water after it goes down the drain? Explore your ...
Next session begins: July 15, 2024

Grades 3-4

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Behavioral Economics
Why is it so hard to hail a cab in the rain in New York City? Why do some people pay for annual gym memberships when they would save on a pay-as-you go basis? Integrate ideas from the social sciences ...
Next session begins: June 17, 2024

Grade 10+

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Building Blocks
Start building your communication superpowers by learning just how cool words and language can be! In this course you will study excerpts from classic stories like Alice's Adventures in Wonderland ,  ...
Next start date: June 17, 2024

Grades 3-4

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Calculus C
Learn the second half of the material covered on the AP® Calculus BC exam by engaging with your instructor, the electronic textbook, interactive lessons, a graphing calculator, and other online course ...

Grade 8+

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Catching the Criminal
Print evidence can place suspects at a crime scene, identify missing persons, and exonerate the innocent. Begin with an overview of the history of print evidence, focusing on fingerprints, footprints ...
Next session begins: June 17, 2024

Grades 5-6

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Cause Unknown
Jordan is an 8-year-old orphaned girl of color with an unknown past who you are evaluating for seemingly unrelated ailments. As you implement her medical care, you'll consider its implications for her ...
Next start date: June 17, 2024

Grades 7-10

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Chess Club
Welcome to the club! In CTY’s Chess Club, students who enjoy playing the game come together to practice their chess tactics and strategies in a community setting. Through forum discussion and the ...
Next start date: June 17, 2024

Grade 4+

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Color of Law
Stories of discrimination capture headlines in America daily, reflecting how the promise of equal protection under the law is still unrealized for people of color. The United States is far from alone ...
Next session begins: July 15, 2024

Grade 9+

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Crafting Fiction (NCAA Approved)
Learn to master the core elements of fiction writing, such as plot, theme, dialogue, and character development by reading and analyzing short works of fiction and writing your own. Assignments are ...
Next start date: June 17, 2024

Grade 8+

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Crafting Poetry (NCAA Approved)
An introduction to poetry and poetic concepts, this course covers musical aspects of poetry, the patterns and conventions of sound, and the effects they have on readers. Imagery in poems is also ...
Next start date: June 17, 2024

Grade 8+

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Cryptology: Math and Codes
Make and break secret codes in this exciting introductory cryptology course. You’ll begin with simple Caesar ciphers, learning to encrypt and decrypt messages as well as the history behind the cipher ...

Grades 5-7

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Decoding Our World
How do we see, perceive, and describe the world around us? We can use mathematics to measure, calculate, and find patterns. We can use technology to expand what we see and observe. And we can tell ...
Sessions:
Jun 23-Jul 12

Mirman School:

Jun 23-Jul 12
,
Jul 14-Aug 02

Grades 3-4

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Diagnosis: Be the Doctor
Doctors often have to make quick decisions based on their knowledge, experience, and a short list of symptoms—it’s not so easy to always get it right, and lives are often on the line. Drawing upon ...
Next session begins: June 17, 2024

Grades 7-10

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Differential Equations
Explore topics typically covered in a semester introduction to Ordinary Differential Equations. We’ll reinforce learning through interactive online materials, homework, quizzes, projects, and exams ...

Grade 9+

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Disease Modeling
When the threat of pandemic looms, all eyes turn to the experts. Each outbreak is unique and raises different concerns; in providing answers, infectious diseases specialists rely on data and accurate ...
Next session begins: June 17, 2024

Grades 7-10

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Elementary Number Theory
In this course we’ll get to know the deep theory of integers, with special focus on the properties of prime numbers and integer or rational solutions to equations. You’ll cover topics aligned with ...

Grade 7+

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Engineering Design
Engineering design is a rich, sometimes chaotic blend of concerns: aesthetic, financial, material, theoretical, environmental, and practical. Explore elements of design theory while responding to a ...
Next session begins: June 17, 2024

Grades 7-10

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Excursions in Pre-algebra
Explore how mathematics relates to food, art, and history in this interactive pre-algebra course. Through weekly meetings, collaborative activities, and hands-on projects, you’ll sharpen your ...
Next start date: September 9, 2024

Grades 6-9

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Fantasy Worldbuilding
What draws audiences into the settings of their favorite fantasy worlds? What makes these otherwise mythical places feel like real locations in readers’ minds? In this course, we’ll use applications ...
Next session begins: June 17, 2024

Grades 5-6

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From Structure to Style (NCAA Approved)
Develop your writing style and study advanced English mechanics in this rigorous grammar course. Guided by a college-level textbook and multicultural reading excerpts, you will deepen your ...
Next start date: June 17, 2024

Grades 7-10

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Game Design
What counts as a game? What are games made of? How are successful games designed and built? Read theory that orients you to how games work, why people play them, and what makes a good game. Play ...
Next session begins: June 17, 2024

Grades 7-10

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Geometric and Spatial Reasoning
Geometric and spatial reasoning skills are essential for living in and making sense of the world around us. Everything from solving a jigsaw puzzle to arranging furniture to efficiently packing a bag ...
Next session begins: June 17, 2024

Grades 3-4

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Grossology
The human body is an amazing but sometimes gross thing. From the blood inside us to the gas that comes out, each slimy, gunky, or smelly part has a vital role to play in keeping us healthy. Why do we ...
Next session begins: June 17, 2024

Grades 3-4

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High School Competitive Math Club
Want to solve problems and learn strategies with other kids who love competitive math? Then welcome to the club! Through weekly meetings and asynchronous forum discussion, you’ll work with a small ...
Next start date: June 17, 2024

Grade 7+

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Honors Algebra I
Explore variables, expressions, and linear, exponential, and quadratic function applications in this full-length online Honors Algebra I course. We’ll use modeling and real-life scenarios to extend ...

Grades 6-9

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Honors Algebra I (NCAA Approved)
Explore variables, expressions, linear, exponential, and quadratic function applications in this full-length online Honors Algebra I course. We’ll use modeling and real-life scenarios to dive deeper ...
Next start date: September 9, 2024

Grades 6-9

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Honors Algebra II
This full-length online Honors Algebra II course expands upon topics introduced in Algebra I to teach you how to manipulate and apply more advanced functions and operations to polynomials, radicals ...

Grades 7-11

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Honors Algebra II (NCAA Approved)
This full-length online Honors Algebra II course will prepare you for Pre-Calculus and Statistics. We will extend topics introduced in Algebra I and learn to manipulate and apply more advanced ...
Next start date: September 9, 2024

Grades 7-11

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Honors Biology
You will learn complex biological concepts using a dynamic online environment as you cover high school honors biology topics and build a solid foundation for the study of AP® Biology. You will explore ...

Grade 7+

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Honors Biology (NCAA Approved)
You will learn complex biological concepts using a dynamic online environment as you cover high school honors biology topics and build a solid foundation for the study of AP® Biology. You will explore ...
Next start date: September 9, 2024

Grade 7+

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Honors Chemistry
Take a closer look at the world around you by studying matter and the changes it undergoes as you prepare for AP® Chemistry in this challenging course. Topics include atoms, molecules, ions ...

Grade 7+

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Honors Geometry
This course covers concepts typically offered in a full-year honors geometry course. You’ll explore geometric proofs, triangle relationships, transformations, right triangle trigonometry, circles ...

Grades 6-11

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Honors Geometry (NCAA Approved)
This course covers concepts typically offered in a full-year honors geometry course. You’ll explore geometric proofs, triangle relationships, transformations, right triangle trigonometry, circles ...
Next start date: September 9, 2024

Grades 6-11

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Honors Grade 3 Mathematics
This course covers a full-year honors curriculum, aligned with the Common Core State Standards, to prepare students for success in grade 4 mathematics. We’ll start by reviewing grade 2 concepts and ...

Grades 2-3

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Honors Grade 4 Mathematics
Tackle lessons typically offered in a full year of honors math curriculum in this intensive course that offers a review of Grade 3 topics and prepares you for Grade 5 mathematics. Engage with videos ...

Grades 2-4

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Honors Grade 5 Mathematics
Tackle a full year of honors mathematics with this Grade 5 curriculum that will set you up for success in Grade 6 honors math. You’ll begin by reviewing concepts such as algebraic variables and ...

Grades 3-5

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Honors Grade 6 Mathematics
Tackle a full year of honors mathematics with this Grade 6 curriculum that will set you up for success with Honors Pre-Algebra. In this course, students will be introduced to the theory and ...

Grades 4-6

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Honors Grade 7 Mathematics
This full-year, Common Core-aligned course explores proportional relationships, statistical sampling, linear expressions and equations, and two- and three-dimensional geometry. You’ll grow comfortable ...

Grades 5-7

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Honors Grade 8 Mathematics
This full-year Common Core-aligned course focuses on the study of algebraic manipulation and graphical interpretations as you cover topics taught in preparation for Honors Algebra I. You’ll grow ...

Grades 6-8

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Honors Life Science
Explore all types of living organisms, such as microorganisms, plants, animals, and humans, by beginning with the basic unit of life: the cell. You’ll discover how cells build up tissues, organs, and ...

Grades 5-8

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Honors Physical Science
In this course, you will study matter and energy, using models to investigate how they work in chemical reactions and the changes they cause in the properties of substances. You’ll investigate ...

Grades 5-8

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Honors Physics
Expand upon physical science concepts to understand the world around you in this course that begins with classical physics, starting with mechanics—Sir Isaac Newton’s interpretation of how the world ...

Grade 7+

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Honors Physics (NCAA Approved)
Expand upon physical science concepts to understand the world around you in this course that begins with classical physics, starting with mechanics—Sir Isaac Newton’s interpretation of how the world ...
Next start date: September 9, 2024

Grade 7+

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Honors Precalculus
Learn to manipulate and apply more advanced algebraic techniques while building on topics introduced in Algebra II. Through videos and interactive lessons, you’ll learn concepts in standard, advanced ...

Grade 7+

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Honors Precalculus (NCAA Approved)
Learn to manipulate and apply more advanced algebraic techniques while building on topics introduced in Algebra II. Through videos and interactive lessons, you’ll learn concepts in standard, advanced ...
Next start date: September 9, 2024

Grade 7+

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Honors Trigonometry
This course covers intermediate and advanced trigonometry and precalculus concepts. You’ll learn trigonometry by actively engaging with videos, practice problems, and other online course materials ...

Grade 7+

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Household Chemistry
Discover the role that chemistry plays in your everyday life in this experiment-intensive course. Through hands-on chemistry activities, you’ll learn about the states of matter, explore different ...
Next start date: June 17, 2024

Grades 3-5

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Imagination Workshop
Imaginative writing is a powerful tool. As authors, our written pieces can make someone laugh, change their mind, or even help them better understand the world. How can you do this in just a page, a ...
Next session begins: June 17, 2024

Grades 5-6

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Intermediate Chess
In Intermediate Chess, you will expand your knowledge of tactics and strategies in the game of chess. Starting with opening goals, you will learn tactical motifs and strategies to employ through a ...
Next start date: June 17, 2024

Grade 4+

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Introduction to Abstract Mathematics
Construct logical arguments as a proof to verify mathematical statements in this college-level course that follows Multivariable Calculus and builds upon Linear Algebra. Techniques and methods of ...

Grade 10+

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Introduction to Chess
Introduction to Chess provides new or beginning students with a strong foundation in the game’s rules and strategies, and a community of enthusiasts to learn alongside. You’ll begin with a brief ...
Next start date: June 17, 2024

Grades 3-8

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Introduction to Complex Analysis
This course will introduce you to the theory of functions of a complex variable—a core area of mathematics. We will also cover complex numbers and their properties, analytic functions and the Cauchy ...

Grade 10+

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Introduction to Logic and Proofs
Explore advanced mathematical concepts in fun and interesting ways and build a strong foundation for high school, computer science, and college-level logic coursework in this introductory logic class ...
Next start date: June 17, 2024

Grade 7+

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Introduction to Real Analysis
Begin exploring the theoretical foundations underlying the concepts taught in a typical single-variable Calculus course: algebraic and order properties of the real numbers, the least upper bound axiom ...

Grade 10+

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Inventions in Engineering
Calling all inventors! CTY’s Inventions in Engineering course introduces young students to the imaginations, habits, and characteristics of successful inventors, and the history and impact of their ...
Next start date: June 17, 2024

Grades 3-5

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Linear Algebra
This course is equivalent to a first-year college linear algebra curriculum, exploring concepts typically offered in an introductory college linear algebra course, including linear systems of ...

Grade 9+

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Linear Algebra (NCAA Approved)
This course is equivalent to a first-year college linear algebra curriculum, exploring concepts typically offered in an introductory college linear algebra course, including linear systems of ...
Next start date: September 9, 2024

Grade 9+

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Mathematical Proofs
Reasoning, logic, and critical thinking are the building blocks of intellectual inquiry. Focus on developing these skills through problem-solving and exposure to a wide range of topics in mathematics ...
Next session begins: June 17, 2024

Grades 5-6

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Mathematics of Pixar
Learn how digital artists animate the mouth of a Toy Story character by manipulating a single point on a polygon, or how combinations are applied to turn three unique robot designs into 3,000 ...
Next session begins: June 17, 2024

Grades 4-5

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Mean Genes!
Has anyone ever told you that you have your mother’s eyes? Or your father’s nose? Or even your great aunt’s hair? Whether they know it or not, they are talking about your genes. Your genetic makeup ...
Next session begins: June 17, 2024

Grades 5-6

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Microbiology
SARS-CoV-2, the virus that causes COVID-19, is about 100nm in size but has caused a global pandemic. How can something so small cause so much damage? Explore different types of viruses and bacteria ...
Next session begins: June 17, 2024

Grades 4-5

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Modern Cryptography
In the age of digital surveillance, apps boasting end-to-end encryption such as WhatsApp and Telegram have flourished. What are these tools, and how do they work? How have developments in modern ...
Next session begins: June 17, 2024

Grades 7-10

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Multivariable Calculus
Explore concepts typically offered in a third-semester calculus course. You’ll extend your knowledge from BC Calculus and learn about the subtleties, applications, and beauty of limits, continuity ...

Grade 9+

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Multivariable Calculus (NCAA Approved)
Explore topics typically offered in a third-semester calculus course. You’ll extend your knowledge from BC Calculus while learning about the subtleties, applications, and beauty of limits, continuity ...
Next start date: September 9, 2024

Grade 9+

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On Being Human
How do we know the sky is blue? Why do we assume the sun will rise in the morning? Our sense of “knowing” is biological, psychological, and philosophical, and it is at the heart of much of our ...
Sessions:

Ursinus College:

Jun 23-Jul 12
,
Jul 14-Aug 02

Skidmore College:

Jun 30-Jul 19
,
Jul 21-Aug 09

Grades 7-8

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Polymers to the Rescue!
What do your T-shirt, water bottle, and DNA have in common? They’re all made of chemical units called monomers, which combine to form polymers. To make the world a better place, scientists regularly ...
No upcoming classes

Grades 5-6

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Problem Solving Strategies
Develop strategies for solving a wide variety of word problems using resources from Ken Johnson and Ted Herr’s Problem Solving Strategies: Crossing the River with Dogs and Other Mathematical ...
Next session begins: June 17, 2024

Grades 4-5

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Project Mars
You and your classmates take on the role of intrepid interplanetary explorers, designing a space probe, learning about the complexity of landing an exploration vehicle, and planning a Martian colony ...
Next session begins: June 17, 2024

Grades 4-5

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Race Matters
Throughout history, the concept of race has been used to perpetuate issues and systems of social inequality. In this course, you’ll study race as a social construct, examine the historic development ...
No upcoming classes

Grade 9+

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Satire, Comedy, and Politics
As forms of cultural and political expression, satire and comedy are important tools for exposing uncomfortable truths about powerful individuals and institutions that might otherwise seem untouchable ...
Next session begins: June 17, 2024

Grades 7-10

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Science in a Bucket
What can a bucket of water or lounging beneath a shade tree teach you about science? Archimedes discovered the principle of buoyancy in a bathtub, and Newton allegedly discovered gravity while sitting ...
Next session begins: June 17, 2024

Grades 2-3

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Statistical Reasoning in Sports
In football, does the home team really have an advantage? Does dribbling the basketball before shooting a free throw increase the odds of scoring? Where should a goalie stand to block the most penalty ...
Next session begins: June 17, 2024

Grades 7-10

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Storytelling Through Art, Film, and Media
Photography, video games, short films—these are all elements of visual storytelling that are increasingly popular ways to express an idea, theme, or story in today’s digital world. This hands-on ...
Next start date: June 17, 2024

Grades 7-9

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Summer Sleuths
Mysteries have captivated our imagination for centuries, in life and in fiction. This sampler gives students a chance to build math, science, and literary skills while thinking through the elements of ...
Sessions:

Ursinus College:

Jun 23-Jul 12
,
Jul 14-Aug 02

Loyola Marymount University:

Jun 23-Jul 12
,
Jul 14-Aug 02

Grades 5-6

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Survey of Cryptography
Surveil the world of cryptography, the science of secret-keeping. From passing notes in class to keeping online banking transactions secure, the need for confidential communication has been present ...
Next session begins: July 15, 2024

Grades 7-10

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Taking a Chance: Mathematics of Game Shows
Step right up and try your hand at solving some of the world’s classic math conundrums! We have options galore: Plinko, Golden Balls, Deal or No Deal, and many more. Pull the curtain back on the ...
Next session begins: June 17, 2024

Grades 5-6

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The Mathematics of Volatile Markets
What does it mean when bubbles burst, stock markets crash, and hyperinflation takes off? How do these major economic events affect businesses and individuals around the world? Focus on the boom-bust ...
Next session begins: June 17, 2024

Grades 7-10

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The Process of Writing – Workshop
This course explores the craft of writing, including techniques like brainstorming, outlining, drafting, and revision that effective writers use across multiple genres. You will write a family ...
Next start date: June 17, 2024

Grades 5-6

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The Psychology of Memory
Why are some things easier to remember than others? Why do people have vastly different memories of the same event? Why do most people remember Darth Vader saying, “Luke, I am your father,” when what ...
Next session begins: June 17, 2024

Grades 7-10

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Through the Lens
When you look at a photograph, what do you see? You find photographs everywhere—in journalism, art, family albums, and social media. What stories do they tell? Explore the ways that photographs can ...
No upcoming classes

Grades 4-5

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Unquiet Minds
Nearly one in six people globally has a neurological disorder. Despite how common they are and how effective treatment can be, neurological disorders are often misunderstood and marginalized. Explore ...
Next session begins: June 17, 2024

Grade 10+

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Worldbuilding
Fictional worlds often stick with us even longer than the stories that are set within them. They can be havens or nightmares, futuristic glimpses of what our world could be, or looking-glass critiques ...
Next session begins: June 17, 2024

Grades 7-10

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Writing About Art and Visual Design
Do you have a flair for design, and an eye for what makes a scene or image visually effective? In this course, you will explore historically significant and modern works of visual design—including ...
Next start date: June 17, 2024

Grade 9+

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Writing for an Audience – Workshop
In this course, you will use the drafting and revision skills you learned in The Process of Writing to practice clearly communicating your ideas to an audience. You will reflect on your relationship ...
Next start date: June 17, 2024

Grades 6-7

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Young Adult Readers: A Study of Sherlock
Journey to Victorian England, where mysterious figures and deceptive disguises abound on and around Baker Street. You’ll join iconic detective Sherlock Holmes and his trusty assistant, Dr. Watson, as ...
Next start date: June 17, 2024

Grades 7-9

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Young Readers Series: Dragon Tales
For centuries, readers have been charmed and enchanted by stories about dragons. This course lets you join in the fun by reading novels set in mythical lands and secret mountain caves where fiery ...
Next start date: June 17, 2024

Grades 2-3

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Young Readers Series: Good Dogs
What can make a dog a most trusted friend? How do dogs build unbreakable bonds with their owners? What circumstances test these bonds? In this course, we will read four books exploring the unique ...
Next start date: June 17, 2024

Grades 2-3

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Young Readers Series: In Search Of
Embark on a profound journey through space, time, and the human spirit as you consider what it means to be “in search of” one’s place in the world. Reading a mixture of fiction and nonfiction, you ...
Next start date: June 17, 2024

Grades 4-6

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Young Readers Series: Magical Life Lessons
Take an adventure, experience the joys and pitfalls of fantastical new abilities, and encounter the transforming power of magical life lessons. In this course, you will read four novels about kids who ...
Next start date: June 17, 2024

Grades 4-6

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Young Readers Series: Mystery Stories
Become an investigator and search for clues within each story, then try to solve the puzzle! In this course, you and your classmates/fellow detectives will journey to 19th century London with Sherlock ...
Next start date: June 17, 2024

Grades 2-3

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Young Readers Series: Robot Encounters
How much is too much technology? What would the world be like if it were run by artificial intelligence? In this course, you’ll read three novels set in worlds where artificial intelligence and robots ...
Next start date: June 17, 2024

Grades 2-3

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Young Readers Series: Wild Things
Who are the real wild things—animals or humans? Read the books, then you decide. In this course you will read four books about enchanting animals and the humans who love them. You will experience ...
Next start date: June 17, 2024

Grades 2-3

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