Welcome to the class web page for Calvin Irby. Calvin Irby is a teacher from the Rio Grande Valley. He began teaching here at Highlands in August 2018. His courses include AP Computer Science, Cybersecurity, Project Based Learning, and Principles of Information Technology. His educational background is he got a Master of Science Degree from the University of Texas Rio Grande Valley. He continues to be a coach for the Cyber Patriot's team at Highlands High school. His email is: cirby1@saisd.net.