Exeter is a city in Tulare County, California, United States. It is situated in the San Joaquin Valley near the foothills of the Sierra Nevada Mountain Range. The population was 10,334 at the 2010 census.Exeter is located on State Highway 65, 2 miles south of Highway 198 and 15 miles east of Highway 99. Exeter is within a 3 to 4 hour drive of both Los Angeles and San Francisco, and 30 minutes from the entrance to Sequoia National Park.The public school system in Exeter consists of: Exeter Union High School, the Wilson Middle School, Rocky Hill Elementary, Lincoln Elementary and Kaweah High School. The 1999-2000 enrollment was: grades K-8, 1,936 and grades 9-12, 1101 students.