Largest Public & Private High Schools
Los Angeles County
2014-2015

Largest PUBLIC High Schools (Grades 9-12)

School District Enrollment Average Class Size Largest Ethnic Group Largest Ethnic Group % Students Per Teacher
Paramount High Paramount Unified 4,812 31.0 Hispanic or Latino 88.1% 26.4
Polytechnic High Long Beach Unified 4,464 29.1 Hispanic or Latino 36.6% 25.9
Granada Hills Charter High Los Angeles Unified 4,410 27.5 Hispanic or Latino 38.9% 27.2
Downey High Downey Unified 4,224 30.1 Hispanic or Latino 86.4% 25.2
Wilson High Long Beach Unified 3,944 31.0 Hispanic or Latino 52.9% 25.9
El Camino Real Charter High Los Angeles Unified 3,868 33.5 White 46.9% 29.2
Warren High Downey Unified 3,812 30.4 Hispanic or Latino 88.1% 26.1
Millikan High Long Beach Unified 3,753 27.2 Hispanic or Latino 54.7% 25.1
Lakewood High Long Beach Unified 3,553 29.4 Hispanic or Latino 44.4% 25.3
Arcadia High Arcadia Unified 3,454 27.4 Asian 65.4% 24.3
Jordan High Long Beach Unified 3,367 29.3 Hispanic or Latino 68.3% 24.0
Birmingham Community Charter High Los Angeles Unified 3,269 N/A Hispanic or Latino 81.5% N/A
Bell Senior High Los Angeles Unified 3,256 25.5 Hispanic or Latino 96.9% 20.5
Grover Cleveland Charter High Los Angeles Unified 3,241 29.8 Hispanic or Latino 59.3% 25.7
Valencia High William S. Hart Union High 3,177 27.4 White 48.5% 31.4
Quartz Hill High Antelope Valley Union High 3,133 29.3 White 42.9% 25.9
School District Enrollment Average Class Size Largest Ethnic Group Largest Ethnic Group % Students Per Teacher
William J. (Pete) Knight High Antelope Valley Union High 3,064 29.8 Hispanic or Latino 75.7% 24.4
Diamond Bar High Walnut Valley Unified 3,050 28.0 Asian 62.9% 27.3
Highland High Antelope Valley Union High 2,998 27.4 Hispanic or Latino 58.9% 23.3
Santa Monica High Santa Monica-Malibu Unified 2,984 28.2 White 41.4% 22.0
Bell Gardens High Montebello Unified 2,983 16.2 Hispanic or Latino 99.2% 21.2
California High Whittier Union High 2,955 30.3 Hispanic or Latino 89.4% 28.1
Alexander Hamilton Senior High Los Angeles Unified 2,941 28.4 Hispanic or Latino 50.0% 23.6
La Serna High Whittier Union High 2,940 31.7 Hispanic or Latino 76.5% 28.5
John H. Francis Polytechnic Los Angeles Unified 2,929 27.6 Hispanic or Latino 91.7% 22.0
Palisades Charter High Los Angeles Unified 2,925 21.6 White 52.3% 19.2
Schurr High Montebello Unified 2,840 25.0 Hispanic or Latino 89.2% 25.1
Palmdale High Antelope Valley Union High 2,835 26.6 Hispanic or Latino 73.6% 22.4
South Gate Senior High Los Angeles Unified 2,832 30.9 Hispanic or Latino 98.4% 26.0
Montebello High Montebello Unified 2,821 23.9 Hispanic or Latino 95.6% 25.3
Cabrillo High Long Beach Unified 2,768 27.8 Hispanic or Latino 67.1% 23.3
Walnut High Walnut Valley Unified 2,754 27.3 Asian 54.8% 24.4
School District Enrollment Average Class Size Largest Ethnic Group Largest Ethnic Group % Students Per Teacher
North Hollywood Senior High Los Angeles Unified 2,736 30.0 Hispanic or Latino 69.6% 24.8
El Rancho High El Rancho Unified 2,732 29.6 Hispanic or Latino 97.5% 24.4
Alhambra High Alhambra Unified 2,726 32.2 Hispanic or Latino 50.6% 26.3
Crescenta Valley High Glendale Unified 2,693 32.2 White 53.8% 26.6
San Pedro Senior High Los Angeles Unified 2,668 30.3 Hispanic or Latino 69.1% 24.0
Van Nuys Senior High Los Angeles Unified 2,662 27.3 Hispanic or Latino 62.9% 22.3
Redondo Union High Redondo Beach Unified 2,658 30.1 White 46.7% 25.4
Burroughs High Burbank Unified 2,649 29.8 Hispanic or Latino 47.3% 24.3
Burbank High Burbank Unified 2,606 29.1 White 58.0% 24.5
Nathaniel Narbonne Senior High Los Angeles Unified 2,596 28.3 Hispanic or Latino 63.9% 23.0
Glendale High Glendale Unified 2,582 28.3 White 46.6% 24.4
Palos Verdes Peninsula High Palos Verdes Peninsula Unified 2,574 28.2 White 45.7% 26.2
Glendora High Glendora Unified 2,568 27.7 White 47.4% 28.0
James A. Garfield Senior High Los Angeles Unified 2,538 29.6 Hispanic or Latino 98.3% 23.5
Mira Costa High Manhattan Beach Unified 2,517 26.3 White 58.8% 25.5
Opportunities For Learning-Baldwin Park II Baldwin Park Unified 2,502 0.0 Hispanic or Latino 69.8% 9.3
Santa Fe High Whittier Union High 2,497 29.5 Hispanic or Latino 90.7% 30.6
James Monroe High Los Angeles Unified 2,477 29.1 Hispanic or Latino 87.3% 23.4


By 2006, Belmont Senior High School of the Los Angeles Unified School District, with an enrollment of more than 6,000 students, had one of the largest enrollments of any high school in the United States. Beginning in 2006, however, several new schools and educational complexes opened to relieve Belmont. Enrollment at Belmont has since fallen to just over 1,200 students.


For the 2014-2015 school year, Los Angeles County’s Juvenile Hall secondary education program, held across its 22 juvenile halls and camps, enrolled 1,885 students.


In May 2000, veteran actor Kirk Douglas became the first living person in Los Angeles to have a high school named for him. West Granada High School was renamed Kirk Douglas High School.


Largest PRIVATE High Schools (Grade 9-12)

School City & Zip Code School Type Enrollment Student to Teacher Religious Affiliation
Bishop Amat Memorial High La Puente 91746 Coed 1,415 18.1 Roman Catholic
Bishop Alemany High Mission Hills 91345 Coed 1,354 16.5 Roman Catholic
Chaminade College Preparatory West Hills 91304 Coed 1,349 18.7 Roman Catholic
Notre Dame High School Sherman Oaks 91423 Coed 1,259 14.0 Roman Catholic
Loyola High School of Los Angeles Los Angeles 90006 Boys Only 1,246 13.5 Roman Catholic
Oaks Christian School Westlake Village 91362 Coed 972 13.3 No Denominational Affiliation
Damien High School La Verne 91750 Boys Only 952 18.3 Roman Catholic
Bishop Montgomery High Torrance 90503 Coed 920 13.9 Roman Catholic
Harvard-Westlake Studio City 91604 Coed 866 7.3 Non-religious
St. John Bosco High School Bellflower 90706 Boys Only 812 14.8 Roman Catholic
Cathedral High School Los Angeles 90012 Boys Only 749 17.4 Roman Catholic
Paraclete High School Lancaster 93536 Coed 711 16.5 Roman Catholic
Maranatha High School Pasadena 91105 Coed 694 18.8 No Denominational Affiliation
La Salle High School Pasadena 91107 Coed 656 11.9 Roman Catholic
St. Francis High School La Canada 91011 Boys Only 645 14.3 Roman Catholic
St. Lucy's Priory High Glendora 91741 Coed 633 16.2 Roman Catholic
School City & Zip Code School Type Enrollment Student to Teacher Religious Affiliation
St. Paul High Santa Fe Springs 90670 Coed 628 19.6 Roman Catholic
Heritage Christian School Northridge 91343 Coed 608 25.3 No Denominational Affiliation
Saint Joseph High School Lakewood 90713 Coed 605 15.9 Roman Catholic
St. Genevieve High School Panorama City 91402 Coed 599 18.7 Roman Catholic
Valley Christian High School Cerritos 90703 Coed 578 13.8 Reformed
Junipero Serra High School Gardena 90249 Coed 565 20.2 Roman Catholic
Cantwell–Sacred Heart of Mary High Montebello 90640 Coed 558 18.0 Roman Catholic
Saint Monica Catholic High School Santa Monica 90403 Coed 538 14.9 Roman Catholic
Campbell Hall (Episcopal) North Hollywood 91607 Coed 537 9.3 Episcopal
Milken Community Schools Los Angeles 90049 Coed 537 6.9 Jewish
Crossroads School for Arts and Sciences Santa Monica 90404 Coed 511 8.8 Non-religious
Mary Star of the Sea High School San Pedro 90731 Coed 511 18.9 Roman Catholic
Viewpoint School Calabasas 91302 Coed 511 7.7 Non-religious
Saint Anthony High School Long Beach 90802 Coed 502 22.8 Roman Catholic
Immaculate Heart High and Middle School Los Angeles 90028 Girls Only 500 12.7 Roman Catholic
Crespi Carmelite High Encino 91316 Boys Only 496 13.1 Roman Catholic
School City & Zip Code School Type Enrollment Student to Teacher Religious Affiliation
Bishop Mora Salesian High School Los Angeles 90023 Boys Only 483 15.6 Roman Catholic
Brentwood School Los Angeles 90049 Coed 465 8.7 Non-religious
Providence High School Burbank 91505 Coed 452 9.6 Roman Catholic
Sierra Canyon School Chatsworth 91311 Coed 437 11.7 Non-religious
Village Christian Schools Sun Valley 91352 Coed 419 16.9 No Denominational Affiliation
The Webb Schools Claremont 91711 Coed 409 9.1 Non-religious
Flintridge Preparatory School La Canada Flintridge 91011 Coed 398 7.7 Non-religious
Marymount High School Los Angeles 90077 Girls Only 388 10.2 Roman Catholic
Flintridge Sacred Heart Academy La Canada 91011 Girls Only 385 8.8 Roman Catholic
Don Bosco Technical Institute Rosemead 91770 Boys Only 383 10.4 Roman Catholic
Polytechnic School Pasadena 91106 Coed 382 9.1 Non-religious
de Toledo High School West Hills 91307 Coed 381 6.6 Jewish
New Roads School Santa Monica 90404 Coed 381 8.8 Non-religious
Notre Dame Academy Girls' High Los Angeles 90064 Girls Only 380 15.8 Roman Catholic
Windward School Los Angeles 90066 Coed 376 7.3 Non-religious
Louisville High School Woodland Hills 91364 Girls Only 374 15.6 Roman Catholic
Marlborough School Los Angeles 90004 Girls Only 355 9.3 Non-religious

Source: California Dept. of Education


In 1889, Mary Caswell founded Marlborough School. It is the oldest independent girls' school in Southern California.