Free Response Resources
AP Central Past FRQ Archive
https://apcentral.collegeboard.org/courses/ap-computer-science-a/exam/past-exam-questions
The definitive source for actual AP CSA Free Response Questions from prior years, complete with official College Board scoring rubrics, solution guidelines, and scored student samples.
Runestone Academy FRQ Practice
Interactive FRQ walkthroughs categorized by problem type (Methods and Control Structures, Classes, Array/ArrayList, and 2D Array), complete with auto-grading tests.
CSA FRQ Prep on Practice-It!
https://practiceit.cs.washington.edu
Offers longer, multi-part Java problems that simulate real AP CSA FRQs, requiring full class implementations, array manipulations, and loop traversals.
Fiveable AP CSA FRQ Guides
https://fiveable.me/ap-comp-sci-a
Offers breakdown guides explaining the 4 distinct FRQ types on the exam, scoring strategies, common pitfalls, and tips for writing full Java solutions on paper.