Subscribe on YouTube
Free AP Cybersecurity, AP Computer Science Principles (AP CSP), and CompTIA Security+ courses from a computer science teacher, with video lessons, practice quizzes, and hands-on labs. Pick a course to start.
All 5 College Board units: social engineering, physical security, networks, devices, and cryptography.
Start the course →All 5 Big Ideas: creative development, data, algorithms and programming, networks, and the impact of computing.
Start the course →Prep for the new SY0-801 exam, domain by domain, including the new AI and zero trust topics.
Start the course →An introduction to computer science for middle and early high school.
Block-coding puzzles for middle school. Guide a rover with loops and conditions.
Start coding →
Course text and study guide that follows all 5 units and 24 lessons of the course. Use it alongside the free lessons for extra examples and practice.
Study guide for all 5 Big Ideas, with pseudocode practice and the Create performance task. Use it alongside the free AP CSP lessons and labs.
Understand the concepts and practice the decisions. 136 explanatory figures, realistic scenarios, detailed answer explanations, and a 90-question practice exam, with the new SY0-801 topics.
Short, clear videos for AP Cybersecurity, AP CSP, Security+, and CS Discoveries. Subscribe to get new lessons as they come out.
Subscribe