Tulare Union High School (/tʊˈlɛəri/) is a public school for secondary education in Tulare, Tulare County, California, United States. This high school is part of the Tulare Joint Union High School District, along with Tulare Western High School and Mission Oak High School, led by Superintendent Tony Rodriguez. Enrollment at the four-year high school is approximately 1,650 for the current school year. The Administration Building and the school's Tulare Community Auditorium are listed in the National Register of Historic Places.