2025 summer in-person courses are open for enrollment!

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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:

Ursinus College:

Jun 22-Jul 11
,
Jul 13-Aug 01

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:

Johns Hopkins University:

Jun 22-Jul 11
,
Jul 13-Aug 01

Grades 7-11

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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:

Ursinus College:

Jun 22-Jul 11
,
Jul 13-Aug 01

Grades 5-6

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Biotechnology
The Human Genome Project has sequenced all of the approximately 20,000 genes in human DNA. How did scientists gather this information? Can it help cure congenital diseases or cancer? What ethical ...
Sessions:

Dickinson College:

Jun 22-Jul 11
,
Jul 13-Aug 01

Grades 7-11

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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:

Loyola Marymount University:

Jun 22-Jul 11
,
Jul 13-Aug 01

Dickinson College:

Jun 22-Jul 11
,
Jul 13-Aug 01

Skidmore College:

Jun 29-Jul 18
,
Jul 20-Aug 08

Grades 7-11

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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:

Loyola Marymount University:

Jun 22-Jul 11

Dickinson College:

Jun 22-Jul 11
,
Jul 13-Aug 01

Skidmore College:

Jun 29-Jul 18
,
Jul 20-Aug 08

UC-Santa Cruz:

Jul 20-Aug 08

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:

Dickinson College:

Jun 22-Jul 11

Roger Williams University:

Jun 22-Jul 11
,
Jul 13-Aug 01

UC-Santa Cruz:

Jun 29-Jul 18

Skidmore College:

Jun 29-Jul 18

Loyola Marymount University:

Jul 13-Aug 01

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:

Loyola Marymount University:

Jun 22-Jul 11
,
Jul 13-Aug 01

Dickinson College:

Jun 22-Jul 11
,
Jul 13-Aug 01

Johns Hopkins University:

Jun 22-Jul 11
,
Jul 13-Aug 01

Roger Williams University:

Jun 22-Jul 11
,
Jul 13-Aug 01

Skidmore College:

Jul 20-Aug 08

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:

Ursinus College:

Jun 22-Jul 11
,
Jul 13-Aug 01

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:

Mirman School:

Jun 22-Jul 11

The Gilman School:

Jun 22-Jul 11
,
Jul 13-Aug 01

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:

Dickinson College:

Jun 22-Jul 11
,
Jul 13-Aug 01

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:

Loyola Marymount University:

Jun 22-Jul 11
,
Jul 13-Aug 01

Ursinus College:

Jun 22-Jul 11
,
Jul 13-Aug 01

Grades 7-11

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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? In this course, you will uncover the answers to ...
Sessions:

Loyola Marymount University:

Jun 22-Jul 11
,
Jul 13-Aug 01

Ursinus College:

Jun 22-Jul 11
,
Jul 13-Aug 01

Roger Williams University:

Jun 22-Jul 11
,
Jul 13-Aug 01

Mirman School:

Jun 22-Jul 11
,
Jul 13-Aug 01

The Gilman School:

Jun 22-Jul 11

Speyer School:

Jun 29-Jul 18
,
Jul 20-Aug 08

Grades 5-6

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Exploring Ethics
We all face ethical choices. How do we know what is “good” or “bad,” or “right” or “wrong”? Are there standards of ethics by which we can judge people or their actions? In this course, you'll reflect ...
Sessions:

Loyola Marymount University:

Jun 22-Jul 11

Dickinson College:

Jun 22-Jul 11
,
Jul 13-Aug 01

Grades 7-11

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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. We’ll begin with the smallest unit, the atom ...
Sessions:

Loyola Marymount University:

Jun 22-Jul 11
,
Jul 13-Aug 01

Dickinson College:

Jun 22-Jul 11
,
Jul 13-Aug 01

Skidmore College:

Jun 29-Jul 18
,
Jul 20-Aug 08

Grades 7-11

View Course
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:

Loyola Marymount University:

Jun 22-Jul 11
,
Jul 13-Aug 01

Roger Williams University:

Jun 22-Jul 11
,
Jul 13-Aug 01

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:

Dickinson College:

Jun 22-Jul 11
,
Jul 13-Aug 01

Loyola Marymount University:

Jun 22-Jul 11
,
Jul 13-Aug 01

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:

Skidmore College:

Jun 29-Jul 18

Dickinson College:

Jul 13-Aug 01

UC-Santa Cruz:

Jul 20-Aug 08

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:

Dickinson College:

Jun 22-Jul 11
,
Jul 13-Aug 01

Skidmore College:

Jun 29-Jul 18
,
Jul 20-Aug 08

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:

Ursinus College:

Jun 22-Jul 11
,
Jul 13-Aug 01

Roger Williams University:

Jun 22-Jul 11
,
Jul 13-Aug 01

Loyola Marymount University:

Jun 22-Jul 11
,
Jul 13-Aug 01

Skidmore College:

Jun 29-Jul 18
,
Jul 20-Aug 08

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:

Loyola Marymount University:

Jun 22-Jul 11
,
Jul 13-Aug 01

Ursinus College:

Jun 22-Jul 11
,
Jul 13-Aug 01

Roger Williams University:

Jun 22-Jul 11
,
Jul 13-Aug 01

Grades 7-11

View Course
Fundamentals of Microeconomics
How much are you willing to pay for ice cream on a hot summer day? Who is responsible for the cost of pollution? Is there such a thing as a perfectly competitive market? Microeconomics provides ...
Sessions:

Roger Williams University:

Jun 22-Jul 11
,
Jul 13-Aug 01

Johns Hopkins University:

Jun 22-Jul 11
,
Jul 13-Aug 01

UC-Santa Cruz:

Jun 29-Jul 18

Skidmore College:

Jun 29-Jul 18
,
Jul 20-Aug 08

Grades 7-11

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Game Theory and Economics
IBM founder Thomas J. Watson once said, “Business is a game—the greatest game in the world if you know how to play it.” In today’s global marketplace, understanding game theory—the branch of ...
Sessions:

Ursinus College:

Jun 22-Jul 11
,
Jul 13-Aug 01

Grades 7-11

View Course
Great Cases: American Legal History
Supreme Court Justice Oliver Wendell Holmes stated that the law is both a mirror and a motor for society. Landmark cases frequently have an impact well beyond the courtroom, reflecting deeper truths ...
Sessions:

Dickinson College:

Jun 22-Jul 11
,
Jul 13-Aug 01

UC-Santa Cruz:

Jun 29-Jul 18
,
Jul 20-Aug 08

Grades 7-11

View Course
Inductive and Deductive Reasoning
Reasoning, logic, and critical thinking are the building blocks of intellectual inquiry. This course will help develop your skills in these areas through problem-solving and exposure to a wide range ...
Sessions:

Roger Williams University:

Jun 22-Jul 11
,
Jul 13-Aug 01

Loyola Marymount University:

Jun 22-Jul 11
,
Jul 13-Aug 01

UC-Santa Cruz:

Jun 29-Jul 18
,
Jul 20-Aug 08

Speyer School:

Jun 29-Jul 18
,
Jul 20-Aug 08

Mirman School:

Jul 13-Aug 01

Grades 5-6

View Course