Plano Senior High School is a public secondary school in Plano, Texas, United States, serving students in grades 11–12. The school is part of the Plano Independent School District, with admission based primarily on the locations of students' homes. Plano is a two-time Blue Ribbon School and a Texas Exemplary School. Founded in 1891 as Plano Public School, serving both primary and secondary students, the school was, by the mid-1910s, sending a majority of its graduating students on to college. Plano High School, created in 1952 by separating the primary students into Mendenhall Elementary School, was immediately accredited by the Southern Association of Colleges and Schools, allowing its graduates to enter college without taking an entrance exam. In 1964, Plano High School integrated with the Frederick Douglass School (formerly Plano Colored School), and the integrated football team won the first of the school's seven state championships in 1965.