Thomas Jefferson High School is a public high school in San Antonio, Texas and is one of ten high schools in the San Antonio Independent School District. Completed in 1932 at a cost of $1,250,000, it was the third high school built in the city. During 2022–2023, Jefferson High School had an enrollment of 1,686 students and a student to teacher ratio of 14.40. The school received an overall rating of "B" from the Texas Education Agency for the 2021–2022 school year.