Texas City High School (TCHS) is a public high school in Texas City, Texas, in the Greater Houston area. It is one of two high schools in the Texas City Independent School District (TCISD), the other being La Marque High School. The main school building for Texas City High opened in 1952. Another building for Texas City High opened in 1957, and the previous one became Blocker Junior High School. As of September 2021, Texas City High School had 1,791 students.