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Pupil-Teacher Ratio*
and Average Class Size

By School District, Los Angeles County

Photo courtesy of Padrinan & Pixabay.com.

Also see: School Districts of Los Angeles County
and Ethnic Distribution of Pupil by School District
and Cost of Educating a Pupil, K-12, County-wide & by School District



K-12 Pupil-Teacher Ratio* by School Year and Latest Average Class Size

School District Latest Data
(2017-2018)
1 Year Before
(2016-2017)
5 Years Before
(2012-2013)
School Year 2010-2011 Average Class Size
(2015-2016)
Los Angeles County Overall 20.0 20.4 22.2 22.2 24.9
ABC Unified 23.0 24.0 24.1 24.5 26.9
Acton-Agua Dulce Unified 20.0 13.2 24.9 23.9 20.1
Alhambra Unified 23.0 22.9 25.3 24.8 28.1
Antelope Valley Union High 21.0 22.0 23.1 24.0 26.1
Arcadia Unified 22.0 23.0 24.5 22.8 26.3
Azusa Unified 18.0 19.5 20.3 22.5 24.3
Baldwin Park Unified 20.0 20.6 20.2 21.3 19.9
School District Latest Data
(2017-2018)
1 Year Before
(2016-2017)
5 Years Before
(2012-2013)
School Year 2010-2011 Average Class Size
(2015-2016)
Bassett Unified 21.0 21.0 23.0 24.7 24.4
Bellflower Unified 20.0 20.7 24.5 24.1 25.4
Beverly Hills Unified 15.0 15.3 17.0 18.0 21.3
Bonita Unified 23.0 23.5 25.0 25.5 25.9
Burbank Unified 21.0 21.8 22.5 23.9 26.7
Castaic Union 23.0 24.3 20.7 22.0 27.7
Centinela Valley Union High 20.0 20.0 24.7 23.6 25.0
Charter Oak Unified 23.0 23.1 26.6 27.7 25.2
School District Latest Data
(2017-2018)
1 Year Before
(2016-2017)
5 Years Before
(2012-2013)
School Year 2010-2011 Average Class Size
(2015-2016)
Claremont Unified 23.0 23.4 23.5 25.6 27.5
Compton Unified 22.0 22.2 23.8 21.6 24.8
Covina-Valley Unified 21.0 21.9 23.6 24.0 22.8
Culver City Unified 22.0 21.7 23.5 24.5 26.0
Downey Unified 22.0 22.6 25.1 25.2 27.6
Duarte Unified 19.0 19.8 22.9 26.3 24.6
East Whittier City 22.0 22.6 21.7 20.9 26.5
Eastside Union 20.0 21.4 23.4 22.6 21.4
School District Latest Data
(2017-2018)
1 Year Before
(2016-2017)
5 Years Before
(2012-2013)
School Year 2010-2011 Average Class Size
(2015-2016)
El Monte City 20.0 19.7 22.8 22.8 20.9
El Monte Union High 21.0 21.5 21.9 23.0 22.3
El Rancho Unified 22.0 22.8 23.9 24.2 27.5
El Segundo Unified 23.0 22.0 24.0 25.2 27.9
Garvey 20.0 20.8 24.1 22.9 25.2
Glendale Unified 23.0 22.5 23.0 23.9 27.5
Glendora Unified 22.0 22.6 25.3 25.7 25.7
Gorman Joint 26.0 24.7 21.6 18.8 20.6
School District Latest Data
(2017-2018)
1 Year Before
(2016-2017)
5 Years Before
(2012-2013)
School Year 2010-2011 Average Class Size
(2015-2016)
Hacienda La Puente Unified 21.0 22.0 22.3 22.2 25.0
Hawthorne 19.0 19.3 23.8 21.8 25.7
Hermosa Beach City 21.0 21.9 13.3 20.6 25.5
Hughes-Elizabeth Lakes Union Elementary 23.0 23.1 20.1 22.0 3.3
Inglewood Unified 21.0 20.8 26.4 23.6 23.0
Keppel Union 18.0 20.5 22.5 22.0 23.7
La Cañada Unified 22.0 22.1 23.0 23.6 25.1
Lancaster 23.0 22.9 25.1 25.4 24.4
School District Latest Data
(2017-2018)
1 Year Before
(2016-2017)
5 Years Before
(2012-2013)
School Year 2010-2011 Average Class Size
(2015-2016)
Las Virgenes Unified 22.0 22.8 22.9 23.9 26.7
Lawndale Elementary 20.0 20.2 22.4 23.1 25.5
Lennox 17.0 18.3 19.7 21.7 23.0
Little Lake City 20.0 21.8 26.1 24.3 24.6
Long Beach Unified 24.0 24.3 25.5 23.2 28.1
Los Angeles County Office of Education 13.0 8.6 5.6 10.9 20.5
Los Angeles Unified 19.0 19.1 20.9 20.2 24.7
Los Nietos 20.0 20.3 26.0 23.8 23.9
School District Latest Data
(2017-2018)
1 Year Before
(2016-2017)
5 Years Before
(2012-2013)
School Year 2010-2011 Average Class Size
(2015-2016)
Lowell Joint 24.0 25.4 27.0 28.2 27.3
Lynwood Unified 24.0 23.2 26.4 29.6 26.9
Manhattan Beach Unified 22.0 23.7 22.7 23.4 25.9
Monrovia Unified 21.0 21.2 24.0 25.1 25.7
Montebello Unified 24.0 24.5 25.2 28.9 23.4
Mountain View 21.0 22.1 25.5 25.3 24.4
Newhall 21.0 22.1 23.0 25.4 24.7
Norwalk-La Mirada Unified 21.0 22.6 24.0 25.1 27.1
School District Latest Data
(2017-2018)
1 Year Before
(2016-2017)
5 Years Before
(2012-2013)
School Year 2010-2011 Average Class Size
(2015-2016)
Palmdale 22.0 22.6 25.5 26.0 25.8
Palos Verdes Peninsula Unified 22.0 23.4 24.2 23.4 26.7
Paramount Unified 20.0 20.3 24.7 25.0 27.8
Pasadena Unified 20.0 21.6 21.1 24.0 23.3
Pomona Unified 12.0 13.4 16.9 23.6 26.3
Redondo Beach Unified 22.0 23.0 24.9 23.9 27.3
Rosemead Elementary 21.0 21.2 24.4 25.0 22.3
Rowland Unified 23.0 23.3 22.9 23.3 21.2
School District Latest Data
(2017-2018)
1 Year Before
(2016-2017)
5 Years Before
(2012-2013)
School Year 2010-2011 Average Class Size
(2015-2016)
San Gabriel Unified 21.0 19.4 21.4 25.1 26.1
San Marino Unified 20.0 20.0 22.2 24.1 23.1
Santa Monica-Malibu Unified 18.0 19.6 21.7 20.8 25.5
Saugus Union 23.0 23.4 26.0 25.5 26.1
SBE - Academia Avance Charter** 17.0 23.1 0.0 0.0 27.9
SBE - Anahuacalmecac International University Preparatory of North America** 19.0 19.9 0.0 0.0 25.2
SBE - Barack Obama Charter** 25.0 22.2 30.3 26.1 26.4
SBE - Celerity Himalia** 29.0 0.0 0.0 0.0 ---
School District Latest Data
(2017-2018)
1 Year Before
(2016-2017)
5 Years Before
(2012-2013)
School Year 2010-2011 Average Class Size
(2015-2016)
SBE - New West Charter** 20.0 21.2 26.0 24.0 23.2
SBE - Prepa Tec Los Angeles High** 14.0 12.4 0.0 0.0 ---
SBE - The School of Arts and Enterprise** 22.0 17.6 19.6 25.0 23.1
South Pasadena Unified 23.0 23.4 24.1 25.3 25.3
South Whittier 23.0 23.1 28.4 26.6 28.5
Sulphur Springs Union 23.0 24.6 23.4 23.6 24.7
Temple City Unified 22.0 23.2 25.6 24.1 25.2
Torrance Unified 22.0 21.6 25.3 28.9 27.3
School District Latest Data
(2017-2018)
1 Year Before
(2016-2017)
5 Years Before
(2012-2013)
School Year 2010-2011 Average Class Size
(2015-2016)
Valle Lindo 20.0 21.1 26.4 23.5 24.0
Walnut Valley Unified 23.0 23.4 25.4 26.7 27.7
West Covina Unified 22.0 20.3 23.5 24.4 25.0
Westside Union 25.0 25.9 26.2 25.9 28.0
Whittier City 24.0 22.8 25.8 27.2 25.0
Whittier Union High 24.0 25.0 28.4 28.0 29.1
William S. Hart Union High 22.0 22.4 24.1 25.9 24.8
Wilsona Elementary 21.0 21.9 25.9 27.8 23.2
Wiseburn Unified 21.0 23.7 22.5 23.0 25.4

* Pupil-teacher ratio is the number of pupils enrolled in a school district divided by the number of teachers in the district. Pupil-teacher ratio is the statistic most commonly used to compare data across states, and should not be confused with average class size.
** SBE - State Board of Education Charter
† Lastest data available. Calculation: enrollment in classes divided by the number of classes (excludes special education classes, other instruction-related assignments, department chairs, classes with no enrollment, classes with enrollment over 50)

Source: California Dept. of Education