Lifelong Educator and Learner
I'm Charles. I teach computer science and cybersecurity, score AP exams, and help train teachers. Everything I wish existed when I was the struggling student (and teacher) is here, and it's free.
Presenting at NICE K12
With my students
WeTeach_CS Change Maker Award
Taking a year off from work. How to plan a year of adventure.
Jul 31, 2026
A free mini-exam to help you assess your current mastery of TExES 241 concepts.
Jul 22, 2026
Looking back on my K-12 education journey, and giving credit where credit is due.
Jul 6, 2026
I post videos and thoughts regularly. Subscribe to get them straight to your feed.