- Texas Christian (2007–2010)
Johnson attended Texas Christian University, where he played for the TCU Horned Frogs football team from 2007 to 2010. Following his senior season in 2010, he was recognized as a consensus first-team All-American.
Johnson was projected to be a draft choice in the 2011 NFL Draft, but decided to pursue a career in helping the deaf and finishing his degree.
- TCU's Tejay Johnson Named Consensus All-American
- "Safeties 2007". Rivals.com. January 25, 2007. http://rivals.yahoo.com/ncaa/football/recruiting/rankings/rank-1494.