California has a total number of 13,014 schools and out of this there are 2079 high schools.



1. Belmont Senior High School is the largest high school in California due to the heavy population of Westlake district. It has total enrollees of 5,336 in 2006. It is located in downtown Los Angeles and caters to students from grades 9 to 12. It was established in September 11, 1923 and is now led by Gary Yoshinobu as their District Principal. Team members represent the school as Sentinels. Heavy enrollment will soon be distributed to another center, the Belmont Learning Center now known as Vista Hermosa Learning Center.

2. Theodore Roosevelt Senior High School is the second largest school in California with a total number of 5,126 students and 220 full time teachers. A regular school that belongs to the Los Angeles unified district, which caters to grades 9-12 and a teacher student ratio of 1:23. Ethnicity is composed of Asians, American Indians, Non-Hispanics, Hispanics, and the Whites. As of date, the school is populated the most with Hispanics.

3. Long Beach Polytechnic High School is the third largest school in California. It is located in Long Beach. It accommodates high school students from not only Long Beach but also Bixby Knolls, Signal Hill and Lakewood. It was founded in 1895 and was formerly known as Long Beach High School and now more popularly known as Poly it belongs to the Long Beach Unified District. It is populated with more than 5000 students. This school is not only geared towards the academics but also in athletics because of which Sports Illustrated Magazine named it as “Sports School of the Century” in 2005. It has also won multiple Grammy awards for its music program. Famous alumni include Snoop Dogg, Tony Gwynn, Billie Jean King, and Cameron Diaz.

4. James A. Garfield Senior High School is the fourth largest high school in California. It caters to grades 9-12 with a total of 4569 students.

5. John H. Francis Polytechnic High School is the fifth largest high school in California. It is a comprehensive school from the Los Angeles Unified District, which is located in the Sun Valley of Los Angeles. It was founded in the 1900's and a known rival of North Hollywood High School. It has a parrot mascot named Joe Poly.

6. John Marshall Senior High School is the sixth largest high school in California. It is a public school, which caters to students in grades 9-12 and has a total population of 4561 students. It was founded in 1931, named after the Great Chief Justice John Marshall who built the American system of constitutional law. The motto of the school is veritas vincit or truth conquers. Students are known as barristers since the school's mascot is Johnny Barrister. Recently, it launched programs to help supply school funds one of which is Parent Involvement. This mandate indicates that parents are required to actively participate in planning and evaluation of school budgets and programs.

7. Bell High School is the home of the mighty eagles and is the seventh largest high school in California. It is another member of Los Angeles Unified District, which caters to students in grades 9-12. It was founded in 1925 and has 4778 number of students as of the last survey.

8. Los Angeles Senior High School is the eight largest high schools in California. It's a public school, which caters to students in grades 9-12 and has a population of 4405 students.

9. James Monroe High is the ninth largest high school in California. It is also under the Los Angeles Unified District. It is popular for its small learning communities and magnet schools. It was founded in 1958 and it located in North Hills California.

10. Wilson High School, the tenth largest high school in California is another member of the Los Angeles Unified District, which was established in 1937. Popularly known as Woodrow Wilson High School, it is a public school, which includes students in grades 9-12. It is open to students from Hillside Village, El Sereno, and University Hills, plus City Terrace and Ramona Gardens. It has a population of 3000 students with a Seymour mascot called Mule.