For Students & Teachers

Built by a teacher who grades the exam.

Study guides, worksheets, and practice exams - all free, all made from the classroom. Everything is yours to use with attribution. How licensing works →

Teacher Certification Prep

Free prep for the TExES 241 (Texas) computer science teaching exam — 44 topic worksheets, 44 quizzes, three full practice exams, and a 50-question mini exam to diagnose your weak domains.

Teacher Certification 1 practice exam 50Q mini exam

Browse TExES 241 resources →

AP Computer Science A

Topic-level worksheets with answer keys, organized by College Board unit. Materials are currently in review stage.

AP CS A In Development

Resources for this course are being developed. Check back soon.

AP Cybersecurity

Activities and guides for the AP Cybersecurity course — threat modeling, social engineering, and digital forensics.

AP Cybersecurity In Development

Resources for this course are being developed. Check back soon.

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I answer common student questions on YouTube. If you don't find what you need here, check the channel - or reach out and it might become the next video.

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