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AP & High School Courses

43+ courses with unit-by-unit practice and adaptive feedback. Free, no sign-up required.

AP African American Studies

Explore the full arc of the African American experience -- from the civilizations of West Africa through the Middle Passage, from slavery and resistance through the civil rights movement, and from Black Power to the debates shaping racial justice today. This interdisciplinary course blends history, literature, art, politics, and sociology. You will build the analytical, interpretive, and source-evaluation skills the AP exam tests while engaging with one of the most important stories in American life.

4 units180 questions~5h
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AP Art History

See the world through 30,000 years of art -- from Paleolithic cave paintings to contemporary installations. This course covers all ten content areas of the AP Art History exam, teaching you to analyze visual evidence, connect artworks to their cultural contexts, and make cross-cultural comparisons across 250 required works. You will learn not just what to see, but how to see -- and how to write about what you see with clarity and confidence.

10 units288 questions~7h
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AP Biology

Master the 8 units of AP Biology -- from the chemistry of life through ecology. You will build deep understanding of cells, genetics, evolution, and ecosystems, with targeted practice on the concepts students find most challenging on the AP exam.

8 units212 questions~5h
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AP Business with Personal Finance

Learn to launch a business and manage your own money -- two skill sets that will serve you for life. This course covers entrepreneurship, marketing, accounting, management, saving, borrowing, investing, and financial planning, all aligned to the College Board AP Career Kickstart framework. You'll graduate knowing how to read financial statements, build a budget, and make smart decisions with real dollars.

6 units221 questions~6h
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AP Calculus AB

Limits, derivatives, integrals, and the Fundamental Theorem of Calculus - aligned to the College Board AP Calculus AB curriculum. Eight units match the official CED with exam-weight-based assessment allocation. Practice targets the procedural fluency and conceptual understanding tested on the AP exam.

8 units268 questions~7h
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AP Calculus BC

Comprehensive

Master every topic on the AP Calculus BC exam -- from limits and derivatives through parametric/polar functions and infinite series. This course covers all AB material plus the BC-only units, with practice problems that build the procedural fluency and conceptual depth you need to earn a 4 or 5.

10 units348 questions~9h
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AP Chemistry

All 9 College Board AP Chemistry units: atomic structure, bonding, substance properties, reactions, kinetics, thermochemistry, equilibrium, acids/bases, and thermodynamics/electrochemistry. Practice targets the conceptual reasoning and quantitative skills tested on the AP exam.

9 units235 questions~6h
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AP Comparative Government and Politics

Compare how power works across six very different countries -- China, Iran, Mexico, Nigeria, Russia, and the United Kingdom. You'll classify regimes, analyze institutions, trace democratization and backsliding, and evaluate development strategies, all aligned to the College Board AP Comparative Government CED. The exam rewards your ability to draw cross-country comparisons, and every unit here is built around that skill.

5 units155 questions~4h
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AP Computer Science A

Learn object-oriented programming in Java from the ground up, aligned to the College Board AP Computer Science A curriculum. You will write classes, manipulate arrays and ArrayLists, use inheritance and polymorphism, and solve problems with recursion -- building the coding confidence you need for a 4 or 5 on exam day.

10 units175 questions~4h
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AP Cybersecurity

Learn to think like both a defender and an attacker across all 5 layers of defense-in-depth: physical spaces, networks, devices, applications, and data. You will analyze threats, evaluate defenses, and build the security mindset tested on the AP Cybersecurity exam.

5 units150 questions~4h
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AP English Language and Composition

Comprehensive

All 9 College Board AP English Language units: rhetorical situation, claims and evidence, reasoning and organization, and style — for both reading and writing — culminating in complex argument development. Build the analytical reading and persuasive writing skills tested on the AP exam.

9 units339 questions~8h
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AP English Literature and Composition

Comprehensive

Learn to read closely, think critically, and write persuasively about fiction, poetry, and drama. This course follows the College Board's nine-unit genre spiral -- short fiction, poetry, and longer works at increasing depth -- so you build skills progressively from identifying literary techniques to constructing your own interpretive arguments. Every unit targets the exact reading and writing abilities the AP exam rewards.

9 units402 questions~10h
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AP European History

Trace European history from the Renaissance through the European Union -- five centuries of intellectual revolutions, political upheaval, industrial transformation, and global conflict. You will practice the historical thinking skills the AP exam rewards: analyzing primary sources, building causal arguments, comparing developments across time periods, and writing clear, evidence-based essays. Nine units, each designed to sharpen the reasoning that earns you a top score.

9 units220 questions~6h
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AP Human Geography

Comprehensive

Understand how and why people organize space the way they do -- from population booms and migration waves to cultural diffusion, political borders, farming systems, cities, and global inequality. Every unit is aligned to the College Board AP Human Geography CED and practices the spatial reasoning, model application, and FRQ skills the exam rewards.

7 units325 questions~8h
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AP Macroeconomics

Master the big-picture forces that drive entire economies -- GDP, inflation, unemployment, the Fed, fiscal policy, exchange rates, and the Phillips Curve. Every unit is aligned to the College Board AP Macroeconomics CED so you practice exactly the model-reasoning and policy-analysis skills the exam tests.

6 units257 questions~6h
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AP Microeconomics

Zoom into the decisions of individual consumers, firms, and markets. You'll master supply and demand, cost curves, the four market structures, factor markets, and market failure -- everything the College Board AP Microeconomics exam tests, practiced through the graphs and reasoning the exam rewards.

6 units195 questions~5h
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AP Music Theory

Build a deep understanding of how music works -- from reading notes and rhythms to analyzing harmony, voice leading, and form. Aligned to the College Board AP Music Theory curriculum (8 units), this course strengthens the aural, analytical, and compositional skills you need to earn a 4 or 5 on the exam.

8 units290 questions~7h
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AP Physics 1: Algebra-Based

Master the 8 units of AP Physics 1 -- kinematics, forces, energy, momentum, rotation, oscillations, and fluids. You will build the conceptual understanding and problem-solving skills tested on the AP exam, with practice that targets the mistakes students make most often.

8 units190 questions~5h
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AP Physics 2: Algebra-Based

Master the 7 units of AP Physics 2 -- thermodynamics, electricity, magnetism, optics, waves, and modern physics. You will develop the conceptual reasoning and quantitative skills tested on the AP exam, with practice that targets the most common student mistakes.

7 units180 questions~5h
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AP Physics C: Electricity and Magnetism

Master all 5 units of calculus-based electricity and magnetism -- electrostatics, capacitors, circuits, magnetic fields, and electromagnetic induction. You will use Gauss's law, Ampere's law, and Faraday's law to solve problems at the level tested on the AP Physics C: E&M exam.

5 units185 questions~5h
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AP Physics C: Mechanics

Master all 7 units of calculus-based mechanics -- kinematics, forces, energy, momentum, rotation, oscillations, and gravitation. You will use derivatives and integrals throughout, building the mathematical problem-solving skills tested on the AP Physics C: Mechanics exam.

7 units233 questions~6h
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AP Precalculus -- Exponential and Logarithmic Functions

Master exponential and logarithmic functions for the AP Precalculus exam. You will connect sequences to functions, model real-world growth and decay, wield logarithm properties to solve equations, and use semi-log plots to validate your models -- all skills tested in Units 2-3.

5 units139 questions~3h
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AP Precalculus -- Polynomial and Rational Functions

Master polynomial and rational functions for the AP Precalculus exam. You will analyze rates of change, find zeros, predict end behavior, graph rational functions with asymptotes, and use polynomial division to simplify expressions -- the core skills tested in Unit 1.

5 units129 questions~3h
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AP Precalculus — Gold Module

Quick review

Functions, transformations, composition, and contextual interpretation — the core building blocks of AP Precalculus. Master how functions behave, how to transform them, and how to apply them to real-world situations.

4 units72 questions~2h
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AP Precalculus — Periodic Functions

Quick review

Trigonometric foundations, sinusoidal graphing, periodic modeling, and polar/parametric representations. Covers AP Precalculus Unit 3 content: unit circle, sine/cosine parameters, transformations of periodic functions, real-world sinusoidal models, polar coordinates, and parametric equations.

4 units99 questions~2h
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AP Psychology

Explore why people think, feel, and act the way they do -- from neurons firing in your brain to social forces shaping your behavior. Five units cover biological bases, cognition, development, social psychology, and clinical applications, aligned to the College Board AP Psychology framework so you practice the concept-application and theory-attribution skills the exam demands.

5 units212 questions~5h
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AP Statistics

Learn to collect, analyze, and draw conclusions from data -- aligned to the College Board AP Statistics curriculum. From exploring distributions and designing experiments to building confidence intervals and running hypothesis tests, this course gives you the reasoning skills to earn a 4 or 5 on exam day.

5 units232 questions~6h
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AP US Government and Politics

Understand how American democracy actually works -- from the constitutional design that created three competing branches to the civil liberties that protect you, the ideologies that divide the country, and the elections that decide who governs. Every unit is aligned to the College Board AP US Government CED and practices the document analysis, argument essay, and concept-application skills the exam tests.

5 units210 questions~5h
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AP US History

Comprehensive

Master the full arc of American history from pre-contact civilizations through modern political debates. You will build the skills the AP exam actually tests: analyzing primary sources, constructing historical arguments, making connections across nine time periods, and writing under pressure. Each unit targets the exact reasoning skills -- causation, comparison, continuity and change -- that earn you points on exam day.

9 units425 questions~11h
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AP World History: Modern

Follow the story of human societies from 1200 CE to the present -- how they traded, clashed, borrowed ideas, and reshaped the planet. You will practice the exact skills the AP exam tests: comparing civilizations across time and space, tracing cause-and-effect chains across centuries, analyzing primary sources from every continent, and writing clear historical arguments under time pressure. Nine units, nine chances to see how the world became connected.

9 units200 questions~5h
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Biology Systems

Quick review

A systems-level biology course exploring how cellular respiration, DNA replication, ecosystem energy flow, and immune response work as interconnected biological systems. Emphasizes process-level thinking and misconception-targeted diagnostics.

4 units60 questions~2h
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Biology: Core Concepts

Quick review

Explore the foundational principles of biology — from the molecular machinery inside cells to the forces that shape ecosystems. This course builds the scientific reasoning skills you need to understand how life works at every scale.

3 units90 questions~2h
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Civics and Government: Foundations

An introduction to the foundations of political science, theoretical frameworks of governance, and the mechanics of public policy. Develops the civic reasoning skills needed to understand how governments work, why they make the choices they do, and how citizens can participate effectively.

3 units135 questions~3h
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Civics Argument

Quick review

A civics course built around argumentation and critical thinking — logical fallacies, separation of powers, policy tradeoffs, and media literacy. Develops the reasoning skills needed for informed democratic participation.

4 units60 questions~2h
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Financial Literacy Systems

Quick review

A systems-thinking approach to personal finance covering compound interest, cash flow management, risk and probability, and debt leverage. Builds mathematical intuition for real-world financial decisions.

4 units60 questions~2h
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High School Algebra 2

Go beyond linear equations: polynomials, rational expressions, exponential and logarithmic functions, trigonometry, and sequences. This course builds the algebraic fluency you need for precalculus and beyond.

4 units130 questions~3h
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High School Biology 1

First-semester biology covering cells, genetics, molecular biology, evolution, and an introduction to microbiology. A focused course for students beginning their life-science journey in high school.

4 units120 questions~3h
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High School Chemistry

From atoms to reactions to real-world applications: atomic structure, bonding, stoichiometry, thermochemistry, acids and bases, equilibrium, and organic chemistry. A full-year course that builds both conceptual understanding and problem-solving skills.

5 units175 questions~4h
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High School Physics

Understand the rules that govern everything around you: motion, forces, energy, waves, electricity, and modern physics. This course develops both physical intuition and quantitative problem-solving skills.

5 units145 questions~4h
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Introduction to Psychology

Explore why people think, feel, and act the way they do. This course covers the biological bases of behavior, cognition and learning, human development, social influence, personality, and mental health — connecting psychological science to everyday life.

6 units205 questions~5h
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Middle School Pre-Algebra

Quick review

Build the skills you need before algebra: work with integers, fractions, and decimals, then move into expressions, equations, ratios, geometry basics, and introductory statistics. Designed for grades 6-8 with shorter sessions and a supportive pace.

4 units85 questions~2h
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Physics Kinematics

Quick review

A mechanics-focused physics course covering projectile motion, conservation of momentum, Newton's laws, and friction forces. Builds quantitative problem-solving skills through vector analysis and free-body diagrams.

4 units60 questions~2h
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US History

The American story from colonial foundations through the modern era. Build historical thinking skills — source analysis, cause-and-effect reasoning, and the ability to see events from multiple perspectives — while understanding the forces that shaped the nation.

6 units270 questions~7h
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