Buchanan High School offers the following Advanced Placement (AP) courses:
- Chemistry
- Chinese Language and Culture
- Computer Science Principles
- Environmental Science
- Psychology
- Spanish Language and Culture
- English Literature and Composition (aka "AP Lit")
- Calculus AB
- Calculus BC
- Studio Art
- United States History
- Biology
- Physics 1
- Physics C
- United States Government and Politics
- English Language and Composition (aka "AP Comp")
- Macroeconomics
- Music Theory
- World History
- Statistics