It’s never too early to study for AP exams. While it’s always great to buy Barron’s, Kaplan Review, and The Princeton Review Books, there are so many great online resources that are free and will help you do well in AP courses and on the AP exams. Good luck!

Disclaimer: Some of the resources are from my own website, StudyRocket.io. These links are italicized.

Biology

Bozeman Science — excellent video lectures explaining almost every biology topic

Course Notes — the essential facts and chapter summaries

2013 AP Sample Test — great to see if you’re really prepared or not

Calculus

Slader — great for homework help

Khan Academy — easy to follow, step-by-step video lectures

Professor Leonard — step by step video lessons;

Chemistry

Course Notes — outlines of each chapter of the course

ChemistNATE — YouTube video lessons; great way to learn the basics

Dr. Vanderveen — course notes and extremely helpful information

Computer Science

Practice-It — online code practice; really good practice for free-response of the AP exam

Coding Bat — tool to learn and practice basic CS principles

Course Outline — the list of all topics that may be covered on the exam

Economics

Practice FRQs and Tips — comprehensive guide to the econ exam

ReviewEcon.com — comprehensive study guides for macro and micro

Lang

Exam Tips — extremely detailed guide on how to succeed both in the class and on the exam

Practice Exams — released by College Board; best way to see if you’re prepared

Latin

Aeneid Translation — the sections that will be on the 2017 Exam

William Whitaker’s Words — online Latin/English dictionary; must-have for translations.

De Bello Gallico Translation — literal translation on Quizlet for Caesar.

Physics

Dan Fullerton Videos —tutorials teaching on how to solve physics problems

AP Practice Problems — useful to get a sense of the difficulty of the exam

Physics Classroom — basic physics lessons for all of the units

AP Physics C—really helpful; lessons, practice exams, and review

Psychology

Key People in Psychology — provides main details about important figures

Vocabulary Practice —helpful for memorizing key terms

Attacking an FRQ — guide on the proper way to answer an A.P. FRQ

U.S. History

Do you know any other free resources?