M.B. Smiley High School was a public secondary school in Houston, Texas, United States. Smiley, which served grades 9 through 12, and was a part of the North Forest Independent School District. M.B. Smiley was featured in the film Fighting the Odds: The Marilyn Gambrell Story, which aired on Lifetime. The campus is now used as the main campus for North Forest High School. Marilyn Gambrell, a parole officer who became a teacher, started a program called "No More Victims", which was designed to prevent children of incarcerated individuals from going to prison.