The registration period for CTY's Summer 2022 On-Campus program is closed. Please visit CTY's Online Programs for available courses.

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Anatomy and Physiology
One look at classic anatomical sketches such as Leonardo da Vinci’s Vitruvian Man, created from the artist’s meticulous observations of dissected cadavers, can inspire a deep interest in the body and ...
Sessions:
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Collegeville, PA

Grades 7-8

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Astrophysics
When the sun runs out of fuel, will it explode in a giant supernova or fade into a white dwarf? Does every galaxy revolve around a supermassive black hole? Will the universe keep expanding or ...
Sessions:
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Lancaster, PA

Grades 7-11

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Be a Scientist!
What can astronomers learn from black holes? How do engineers decide on the best bridge designs? How do marine biologists know that dolphins are smart? Learn how scientists answer big questions and ...
Sessions:
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New York, NY

Grades 2-3

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Behind the Mask: Superheroes Revealed
BAM! POW! ZAP! Everyone knows Spider-Man, Wonder Woman, and Captain America, but superheroes can come in many shapes and sizes. Must a superhero fight crime? Is Elsa from Frozen a superhero—and what ...
Sessions:
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Baltimore, MD

Grades 2-3

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Big Questions
What is justice? What is beauty? What is the right thing to do? What is real? How can I be sure of what I know? This philosophy class will cultivate and refine your critical thinking skills by asking ...
Sessions:
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Collegeville, PA
Los Angeles, CA

Grades 5-6

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Chemistry in Society
From artificial sweeteners in diet soft drinks to batteries in electric cars, chemistry is integral to our everyday lives. This course investigates chemistry as a means to solving real-world problems ...
Sessions:
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Lancaster, PA
Los Angeles, CA

Grades 7-11

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Cloudy with a Chance of a Science
Would a boat made of bread and peanut butter actually float? Could one tree be recycled into sweaters and bicycle seat covers? Could a pancake as big as a city block flatten a school? Children’s books ...
Sessions:
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Baltimore, MD
New York, NY

Grades 2-3

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Cognitive Psychology
While you read this sentence, your eyes alone are transmitting approximately 10 million pieces of data per second to your brain. Nevertheless, your attention remains focused on these words, you ...
Sessions:
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Lancaster, PA
Los Angeles, CA
Santa Cruz, CA

Grades 7-11

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Crafting the Essay
This immersive and collaborative course will introduce you to great essayists including Annie Dillard, Charles Simic, and Richard Rodriguez, and help you find your own distinctive narrative voice. You ...
Sessions:
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Bristol, RI
Collegeville, PA
Lancaster, PA
Los Angeles, CA
Santa Cruz, CA

Grades 7-11

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Cryptology
Cryptology is the study of the codes and ciphers used to create secret writing. This math course explores many early techniques in cryptology, such as cipher wheels, the Caesar shift, polyalphabetic ...
Sessions:
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Bristol, RI
Lancaster, PA
Los Angeles, CA

Grades 7-11

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Crystals and Polymers
Why do some plastic containers melt in the microwave while others don’t? What makes Silly Putty stretchy? How are packing peanuts made? Chemicals are key to answering these questions, and in this ...
Sessions:
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Collegeville, PA
Los Angeles, CA

Grades 5-6

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Data and Chance
Your new friend at CTY teaches you a dice game. If you roll a 4, you win and the game ends. If your friend rolls a 5, they win and the game ends. You take turns rolling until one person wins. If you ...
Sessions:
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Baltimore, MD

Grades 5-6

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Data Structures and Algorithms
We know that computers are great problem solvers, but there is human work that must be done before computers can work their magic: first, it is necessary to formalize the problem within a mathematical ...
Sessions:
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Bristol, RI
Lancaster, PA

Grades 7-11

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Electrical Engineering
The first transistor, created at Bell Laboratories in 1947, was about 4 centimeters in size. Today, millions of transistors fit on a single computer processor chip—about the size of a postage stamp ...
Sessions:
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Collegeville, PA
Los Angeles, CA

Grades 7-11

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Epidemiology
From Covid-19 to HIV to malaria, infectious diseases remain one of the world’s leading causes of death. How do scientists compile and use statistics to combat outbreaks? In this course, you and your ...
Sessions:
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Baltimore, MD

Grade 9+

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Examining the Evidence
How can an abandoned car, devoid of license plates, help detectives solve a jewel heist? How can a single strand of hair keep a man from going to jail for murder? In this course, you will uncover the ...
Sessions:
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Baltimore, MD
Bristol, RI
Collegeville, PA
Los Angeles, CA
New York, NY

Grades 5-6

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Fast-Paced High School Biology
This course covers material ordinarily included in a year-long introductory course in high school biology, typically a prerequisite for AP® or IB Biology. You’ll begin with the smallest unit, the atom ...
Sessions:
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Lancaster, PA
Los Angeles, CA

Grades 7-11

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Fast-Paced High School Chemistry
This course covers material normally included in a year-long introductory course in high school chemistry, which is usually a prerequisite for AP® or IB Chemistry. It explores physical and chemical ...
Sessions:
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Bristol, RI
Los Angeles, CA

Grades 7-11

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Fast-Paced High School Physics
This course covers material typically included in a year-long, algebra-based introductory course in high school physics, a usual prerequisite for advanced physics courses like AP® Physics 1, or IB ...
Sessions:
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Lancaster, PA
Los Angeles, CA

Grades 7-11

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Fiction and Poetry
Saul Bellow said, "A writer is a reader moved to emulation.” This course draws inspiration from the published works, journals, and drafts of writers such as Alice Munro, John Updike, Rita Dove, and Li ...
Sessions:
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Lancaster, PA
Santa Cruz, CA

Grades 7-11

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Foundations of Programming
This course explores methods of computer programming—the algorithmic aspects of computer science and the theoretical constructs common to all high-level programming languages. You and your classmates ...
Sessions:
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Lancaster, PA

Grades 7-11

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Foundations of Psychology
Psychology, the science of behavior and mental processes, systematically explores phenomena as diverse as phantom limbs, sleep paralysis, false memories, and the bystander effect. This course explores ...
Sessions:
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Bristol, RI
Collegeville, PA
Los Angeles, CA

Grades 7-11

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Fundamentals of Computer Science
This course introduces students to three major areas of the computer science discipline: theory and algorithms, hardware systems, and software systems. In the theoretical component of the course, you ...
Sessions:
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Bristol, RI
Los Angeles, CA

Grades 7-11

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