Tom Pham is a chemistry teacher at Cajon High School and works with International Baccalaureate students.  Tom is a product of the San Bernardino City USD and graduated as valedictorian of Cajon High School where he currently teaches and works within the Demonstration Teacher Program.   To view Mr. Pham teach at his school site, check out his YouTube video:   https://youtu.be/0BL1eXzKFDo