High School

10th grade reading, grammar, and vocab

Our standards-aligned grade 10 ELA course helps students develop reading comprehension and grammar skills, ma…

AI for education

Khan Academy believes that AI and Large Language Models hold the potential to transform education. By providi…

AP®/College World History

[OER Project: World History AP®](http://oerproject.com/AP-World-History) is a yearlong high-school world hist…

AP®︎/College Art History

AP®︎/College Biology

Learn AP Biology using videos, articles, and AP-aligned multiple choice question practice. Review the fundame…

AP®︎/College Calculus AB

Learn AP®︎ Calculus AB—everything you need to know about limits, derivatives, and integrals to pass the AP® t…

AP®︎/College Chemistry

Learn AP Chemistry using videos, articles, and AP-aligned practice. Review the fundamentals of atomic structu…

AP®︎/College Computer Science Principles

Learn AP Computer Science Principles using videos, articles, and AP-aligned multiple choice question practice…

AP®︎/College Environmental science

Learn AP Environmental Science using videos, and AP-aligned practice. Review the fundamentals of ecosystems, …

AP®︎/College Macroeconomics

Macroeconomics is about whole economies. What is GDP? Why does the economy boom and bust? How is the governme…

AP®︎/College Microeconomics

Microeconomics is all about how individual actors make decisions. Learn how supply and demand determine price…

AP®︎/College Physics 1

AP Physics 1 is an algebra-based, introductory college-level mechanics course. In this course you'll explore …

AP®︎/College Physics 2

AP®︎/College Physics C: Mechanics

AP Physics C: Mechanics is an calculus-based, introductory college-level physics course. In this course you'l…

AP®︎/College Precalculus

Master AP Precalculus! Get ready to build a deep understanding of functions, trigonometry, and vectors. To ge…

AP®︎/College Statistics

Learn a powerful collection of methods for working with data! AP® Statistics is all about formulating questio…

AP®︎/College US Government and Politics

Learn AP US Government and Politics: videos, articles, and AP-aligned multiple choice question practice, cove…

AP®︎/College US History

Learn AP US History: key concepts, themes, and periods from the pre-contact era right up to the present, all …

Algebra 1

The Algebra 1 course, often taught in the 9th grade, covers Linear equations, inequalities, functions, and gr…

Algebra 1 (Eureka Math Squared-aligned)

This course contains Khan Academy practice problems crafted to support the Eureka Math Squared (EM2) curricul…

Algebra 1 (IM® v.360 aligned)

This course contains Khan Academy practice problems crafted to support the IM® v.360 curriculum by Illustrati…

Algebra 1 essentials

Explore essential algebra concepts such as solving linear equations and inequalities, graphing functions, and…

Algebra 2

The Algebra 2 course, often taught in the 11th grade, covers Polynomials; Complex Numbers; Rational Exponents…

Algebra 2 essentials

Analyze complex numbers, polynomials, exponentials, logarithms, and function transformations through advanced…

Algebra basics

Learn the basics of algebra—focused on common mathematical relationships, such as linear relationships.

Basic geometry and measurement

This Basic geometry and measurement course is a refresher of length, area, perimeter, volume, angle measure, …

Career Exploration

Khan Academy and Advizehub.com have partnered together to create a course that brings authentic professional …

Careers

Are you wondering how to land your dream job or negotiate your salary? Finding answers to questions like thes…

College Algebra

College admissions

Navigate college admissions like a pro with Khan Academy's evolving resource! Inside, find advice that is rel…

Computer programming - JavaScript and the web

Learn how to program drawings, animations, and games using JavaScript and the Processing library, and explore…

Computer science theory

Explore advanced computer science topics from algorithms (how we solve common computing problems and measure …

Computers and the Internet

How do computers store data? Hoes does the Internet connects billions of devices worldwide? How do we protect…

Constitution 101

Created in collaboration with the National Constitution Center, with support from the Yass Foundation, Consti…

Cosmology and astronomy

It's a great, big universe out there. In this section of Khan Academy, you'll learn about the brain-bending v…

Differential equations

Learn differential equations—differential equations, separable equations, exact equations, integrating factor…

Electrical engineering

Learn about electricity, circuit theory, and introductory electronics. We also have sections that let you get…

Finance and capital markets

This course explores the essentials of Finance and Capital Markets, from how interest works to the ins and ou…

Financial Literacy

Geometry essentials

Explore essential geometry concepts including transformations, congruence, similarity, and trigonometry while…

Get ready for AP® Calculus

Get ready for AP® Statistics

Get ready for Algebra 1

Get ready for Algebra 1! Learn the skills that will set you up for success in equations and inequalities; wor…

Get ready for Algebra 2

Get ready for Algebra 2! Learn the skills that will set you up for success in polynomial operations and compl…

Get ready for Geometry

Get ready for high school geometry! Learn the skills that will set you up for success in congruence, similari…

Get ready for Precalculus

Get ready for Precalculus! Learn the skills that will set you up for success in complex numbers; polynomials;…

Get ready for SAT prep: Math

This "pre-prep" course is designed to prepare you for our SAT Math course. It's not designed to prepare you f…

Get ready for SAT prep: Reading and Writing

This "pre-prep" course is designed to prepare you for our digital SAT Reading and Writing course. It's not de…

Grammar overview

Grammar is the collection of rules and conventions of a language. Whether you're learning English for the fir…

Grammar: 9th and 10th grade

This course covers major grammar skills and standards taught in 9th and 10th grade in all 50 states and the D…

Growth mindset

The LearnStorm growth mindset activities are fun and age appropriate, providing a structured way for students…

Hands-on science activities

Make science come alive with these free hands-on activities aligned to middle and high school standards.

High school biology

Learn high school biology using videos, articles, and NGSS-aligned practice. Explore the fundamentals of cell…

High school chemistry

Learn high school chemistry using videos, articles, and NGSS-aligned practice. Explore the fundamentals of at…

High school geometry

Learn high school geometry—transformations, congruence, similarity, trigonometry, analytic geometry, and more…

High school physics

Explore the behavior of the universe including forces and motion, energy, electromagnetism, and light. Explai…

Integrated math 2

The Mathematics 2 course, often taught in the 10th grade, covers Quadratic equations, functions, and graphs; …

Internet safety

Intro to computer science - Python

Use programming as a tool to design recommendation engines, model infectious diseases, create game levels, an…

LSAT

Preparing for the LSAT? Khan Academy's free video and article lessons are here to help you hone your critical…

Linear algebra

Learn linear algebra—vectors, matrices, transformations, and more.

MCAT

This collection is being developed for the revised MCAT® exam that will first be administered in April 2015. …

Macroeconomics

Macroeconomics is about whole economies. What is GDP? Why does the economy boom and bust? How is the governme…

Microeconomics

Microeconomics is all about how individual actors make decisions. Learn how supply and demand determine price…

Middle school Big History

Big History is a unique course that looks at the history of the entire Universe, stretching 13.8 billion year…

Middle school Earth and space science

Learn Earth and space science using videos, articles, and NGSS-aligned practice. Review the fundamentals of s…

Middle school biology

Learn biology using videos, articles, and NGSS-aligned practice. Review the fundamentals of cell biology, org…

Middle school chemistry

Learn chemistry using videos, articles, and NGSS-aligned practice exercises. Explore the world of elements, c…

Middle school physics

Learn physics using videos, articles, and NGSS-aligned practice exercises. Explore the fundamentals of motion…

Multivariable calculus

Learn multivariable calculus—derivatives and integrals of multivariable functions, application problems, and …

OER Project: Climate

Organic chemistry

Sal and Jay cover topics covered in college organic chemistry course. Basic understanding of basic high scho…

Personal finance

Making financial decisions can be intimidating, especially if you’re just starting to manage your own money. …

Pixar in a Box

Pre-algebra

Learn pre-algebra—all of the basic arithmetic and geometry skills needed for algebra.

Precalculus

The Precalculus course covers complex numbers; composite functions; trigonometric functions; vectors; matrice…

Precalculus essentials

Explore advanced functions, trigonometry, complex numbers, vectors, matrices, conic sections, and series whil…

SAT Math

Statistics essentials

Learn high school statistics—scatterplots, two-way tables, normal distributions, binomial probability, and mo…

Trigonometry

Explore the world of trigonometry by mastering right triangles and their applications, understanding and grap…

US government and civics

Learn how the U.S. government works and how you can make a difference in your community and the country.

US history

The United States of America is a nation with a rich history and a noble goal: government of the people, by t…

World history

From the earliest civilizations to the modern world, geography, religion, trade, and politics have bound peop…