AP and IB exam prep
Get ready to ace your AP and IB exams with premium study guides for that last minute refresher.
AP Stats: Probability and Statistics study guide
Use this study guide to review basic concepts in probability and statistics. This includes calculating probability and measures of central tendency. Brush up on the topics you most need to review on desktop or on-the-go on mobile.
AP Calculus study guides
Use this study guide to prepare for the Advanced Placement examination in Calculus BC. Get test day ready by practicing with questions designed to simulate the exam!
AP Spanish: Babbel study guides
Learn essential vocabulary for the Advanced Placement exam. These flashcards from the language-learning experts at Babbel will boost your vocabulary and prepare you to ace the AP exam.
AP French: French Language and Culture study guide
A suite of study sets designed to help anyone who is preparing to take the AP French Language and Culture Exam. Brush up on the topics you most need to review on desktop or on-the-go on mobile.
IB Bio: Core topic study guides
Gretel von Bargen has taught higher level IB Biology for 17 years. She is a Presidential Award winning science teacher. Brush up on the topics you most need to review on desktop or on-the-go on mobile.