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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


Compare Latest Data, Year Before, 5 Years Ago & 2010.

School District School Year 2017-18
(Latest Data Available)
School Year 2017-18
(Year Before)
School Year 2014-15
(5 Years Ago)
School Year 2010-2011
Pupil : Teacher Ratio (2017-18) (1) Avg. Class Size (2017-18) (2) Per Pupil Ratio: Teacher (2016-17) (1) Avg. Class Size (2016-17) (2) Per Pupil Ratio: Teacher (2014-15) (1) Avg. Class Size (2014-15) (2) Per Pupil Ratio: Teacher (2010-11) (1) Avg. Class Size (2010-11) (2)
Los Angeles County Overall 20.6 N/A 20.4 25.0 21.5 24.8 22.2 24.3
Los Angeles County Office of Education 13.4 N/A 8.6 18.5 11.1 19.4 10.9 13.9
ABC Unified 23.7 N/A 24.0 26.7 24.0 27.0 24.5 27.4
Acton-Agua Dulce Unified 20.4 N/A 13.2 15.8 16.8 21.0 23.9 28.1
Alhambra Unified 23.3 N/A 22.9 27.3 23.9 28.4 24.8 30.0
Antelope Valley Union High 21.5 N/A 22.0 26.6 23.0 27.2 24.0 24.3
Arcadia Unified 22.2 N/A 23.0 26.0 23.4 26.4 22.8 28.3
Azusa Unified 18.7 N/A 19.5 24.3 19.5 25.0 22.5 14.8
School District Latest Data Year Before School Year 5 Years Ago School Year 2010-2011
Pupil : Teacher Ratio (2017-18) (1) Avg. Class Size (2017-18) (2) Per Pupil Ratio: Teacher (2016-17) (1) Avg. Class Size (2016-17) (2) Per Pupil Ratio: Teacher (2014-15) (1) Avg. Class Size (2014-15) (2) Per Pupil Ratio: Teacher (2010-11) (1) Avg. Class Size (2010-11) (2)
Baldwin Park Unified 20.2 N/A 20.6 19.7 15.6 20.0 21.3 7.7
Bassett Unified 21.2 N/A 21.0 22.8 22.7 25.2 24.7 27.3
Bellflower Unified 20.9 N/A 20.7 24.7 21.4 25.4 24.1 27.0
Beverly Hills Unified 15.6 N/A 15.3 21.7 16.0 22.2 18.0 23.6
Bonita Unified 23.2 N/A 23.5 25.8 23.7 26.1 25.5 28.6
Burbank Unified 21.5 N/A 21.8 26.8 21.9 28.4 23.9 16.3
Castaic Union 23.8 N/A 24.3 24.2 20.0 24.3 22.0 26.5
Centinela Valley Union High 20.3 N/A 20.0 24.9 22.0 24.3 23.6 27.6
School District Latest Data Year Before School Year 5 Years Ago School Year 2010-2011
Pupil : Teacher Ratio (2017-18) (1) Avg. Class Size (2017-18) (2) Per Pupil Ratio: Teacher (2016-17) (1) Avg. Class Size (2016-17) (2) Per Pupil Ratio: Teacher (2014-15) (1) Avg. Class Size (2014-15) (2) Per Pupil Ratio: Teacher (2010-11) (1) Avg. Class Size (2010-11) (2)
Charter Oak Unified 23.5 N/A 23.1 25.7 24.8 25.3 27.7 29.2
Claremont Unified 23.2 N/A 23.4 27.0 23.9 27.7 25.6 29.5
Compton Unified 22.5 N/A 22.2 24.8 21.3 23.6 21.6 24.9
Covina-Valley Unified 21.9 N/A 21.9 25.2 22.9 23.7 24.0 28.0
Culver City Unified 22.0 N/A 21.7 25.8 22.1 25.8 24.5 28.7
Downey Unified 22.1 N/A 22.6 27.0 24.2 27.8 25.2 23.0
Duarte Unified 19.7 N/A 19.8 24.2 18.2 23.7 26.3 28.8
East Whittier City 22.8 N/A 22.6 25.5 24.3 23.2 20.9 25.0
School District Latest Data Year Before School Year 5 Years Ago School Year 2010-2011
Pupil : Teacher Ratio (2017-18) (1) Avg. Class Size (2017-18) (2) Per Pupil Ratio: Teacher (2016-17) (1) Avg. Class Size (2016-17) (2) Per Pupil Ratio: Teacher (2014-15) (1) Avg. Class Size (2014-15) (2) Per Pupil Ratio: Teacher (2010-11) (1) Avg. Class Size (2010-11) (2)
Eastside Union 20.9 N/A 21.4 22.9 22.2 23.1 22.6 23.7
El Monte City 20.2 N/A 19.7 20.9 21.1 21.9 22.8 25.3
El Monte Union High 21.4 N/A 21.5 18.4 22.2 23.0 23.0 18.8
El Rancho Unified 22.8 N/A 22.8 27.1 23.7 27.4 24.2 27.3
El Segundo Unified 23.1 N/A 22.0 27.6 24.0 27.9 25.3 29.3
Garvey 20.3 N/A 20.8 25.0 23.4 26.0 23.0 26.4
Glendale Unified 23.1 N/A 22.4 27.8 23.3 27.5 23.9 28.9
Glendora Unified 22.2 N/A 22.6 25.1 24.7 24.6 25.7 23.2
School District Latest Data Year Before School Year 5 Years Ago School Year 2010-2011
Pupil : Teacher Ratio (2017-18) (1) Avg. Class Size (2017-18) (2) Per Pupil Ratio: Teacher (2016-17) (1) Avg. Class Size (2016-17) (2) Per Pupil Ratio: Teacher (2014-15) (1) Avg. Class Size (2014-15) (2) Per Pupil Ratio: Teacher (2010-11) (1) Avg. Class Size (2010-11) (2)
Gorman Joint 26.0 N/A 24.7 14.2 22.0 16.2 18.8 3.0
Hacienda La Puente Unified 21.8 N/A 22.0 25.5 22.8 25.5 22.2 27.3
Hawthorne 19.8 N/A 19.3 25.5 21.2 26.2 21.8 28.8
Hermosa Beach City 21.7 N/A 21.9 25.6 21.7 26.1 20.6 4.8
Hughes-Elizabeth Lakes Union Elementary 23.9 N/A 23.2 22.4 20.3 25.4 22.0 24.6
Inglewood Unified 21.1 N/A 20.8 23.4 23.2 23.8 23.6 25.6
Keppel Union 18.9 N/A 20.5 23.6 21.5 23.9 22.0 25.6
La Cañada Unified 22.8 N/A 22.1 25.3 21.5 25.3 23.6 29.0
School District Latest Data Year Before School Year 5 Years Ago School Year 2010-2011
Pupil : Teacher Ratio (2017-18) (1) Avg. Class Size (2017-18) (2) Per Pupil Ratio: Teacher (2016-17) (1) Avg. Class Size (2016-17) (2) Per Pupil Ratio: Teacher (2014-15) (1) Avg. Class Size (2014-15) (2) Per Pupil Ratio: Teacher (2010-11) (1) Avg. Class Size (2010-11) (2)
Lancaster 23.0 N/A 22.9 24.0 24.4 25.5 25.5 28.0
Las Virgenes Unified 22.5 N/A 22.8 25.2 25.3 26.7 23.9 27.5
Lawndale Elementary 20.2 N/A 20.2 25.1 21.4 25.3 23.1 26.5
Lennox 17.9 N/A 18.3 23.9 19.1 22.4 21.7 23.1
Little Lake City 20.9 N/A 21.8 23.5 23.9 26.1 24.3 28.3
Long Beach Unified 24.0 N/A 24.3 27.5 24.6 28.5 23.2 28.8
Los Angeles Unified 19.3 N/A 19.1 24.7 20.5 24.4 20.2 25.1
Los Nietos 20.5 N/A 20.3 23.2 23.2 24.9 23.8 25.4
School District Latest Data Year Before School Year 5 Years Ago School Year 2010-2011
Pupil : Teacher Ratio (2017-18) (1) Avg. Class Size (2017-18) (2) Per Pupil Ratio: Teacher (2016-17) (1) Avg. Class Size (2016-17) (2) Per Pupil Ratio: Teacher (2014-15) (1) Avg. Class Size (2014-15) (2) Per Pupil Ratio: Teacher (2010-11) (1) Avg. Class Size (2010-11) (2)
Lowell Joint 24.3 N/A 25.4 26.8 25.8 27.1 28.2 31.2
Lynwood Unified 24.5 N/A 23.2 25.5 24.6 27.2 29.6 24.0
Manhattan Beach Unified 22.5 N/A 23.7 26.3 23.1 25.7 23.4 21.9
Monrovia Unified 21.7 N/A 21.2 25.0 22.6 26.8 25.1 26.3
Montebello Unified 24.2 N/A 24.5 27.7 24.4 22.6 28.9 29.3
Mountain View 21.8 N/A 22.1 23.1 24.7 25.6 24.3 26.4
Newhall 21.9 N/A 22.1 24.5 22.2 24.5 25.4 25.2
Norwalk-La Mirada Unified 21.8 N/A 22.6 26.7 23.4 26.8 25.1 29.2
School District Latest Data Year Before School Year 5 Years Ago School Year 2010-2011
Pupil : Teacher Ratio (2017-18) (1) Avg. Class Size (2017-18) (2) Per Pupil Ratio: Teacher (2016-17) (1) Avg. Class Size (2016-17) (2) Per Pupil Ratio: Teacher (2014-15) (1) Avg. Class Size (2014-15) (2) Per Pupil Ratio: Teacher (2010-11) (1) Avg. Class Size (2010-11) (2)
Palmdale 22.1 N/A 22.6 25.2 24.8 26.0 26.0 26.5
Palos Verdes Peninsula Unified 22.9 N/A 23.4 27.5 23.5 27.3 23.4 28.5
Paramount Unified 20.2 N/A 20.3 26.7 25.1 27.3 25.1 27.4
Pasadena Unified 20.3 N/A 21.6 24.2 19.7 23.9 24.1 27.1
Pomona Unified 12.3 N/A 13.4 25.5 15.0 26.9 23.6 27.8
Redondo Beach Unified 22.9 N/A 23.0 27.6 23.6 35.0 24.0 28.4
Rosemead Elementary 21.8 N/A 21.2 22.2 22.8 24.8 25.0 26.4
Rowland Unified 23.7 N/A 23.3 21.5 22.6 20.5 23.3 25.8
School District Latest Data Year Before School Year 5 Years Ago School Year 2010-2011
Pupil : Teacher Ratio (2017-18) (1) Avg. Class Size (2017-18) (2) Per Pupil Ratio: Teacher (2016-17) (1) Avg. Class Size (2016-17) (2) Per Pupil Ratio: Teacher (2014-15) (1) Avg. Class Size (2014-15) (2) Per Pupil Ratio: Teacher (2010-11) (1) Avg. Class Size (2010-11) (2)
San Gabriel Unified 21.6 N/A 19.4 26.0 19.1 27.3 25.1 8.4
San Marino Unified 20.3 N/A 20.0 22.9 20.4 23.1 24.1 26.3
Santa Monica-Malibu Unified 18.9 N/A 19.6 23.1 20.7 25.5 20.8 21.7
Saugus Union 23.3 N/A 23.4 25.8 24.1 26.6 25.5 25.7
SBE(3) - Academia Avance Charter 17.8 N/A 23.1 23.6 --- --- --- ---
SBE(3) - Anahuacalmecac International University Preparatory of North America 19.1 N/A 19.9 24.8 17.0 17.6 0.0 0.0
SBE(3) - Barack Obama Charter 25.8 N/A 22.2 25.2 29.7 29.4 26.1 28.5
SBE(3) - Celerity Himalia 29.3 N/A 23.3 19.6 24.9 22.8 21.1 33.1
School District Latest Data Year Before School Year 5 Years Ago School Year 2010-2011
Pupil : Teacher Ratio (2017-18) (1) Avg. Class Size (2017-18) (2) Per Pupil Ratio: Teacher (2016-17) (1) Avg. Class Size (2016-17) (2) Per Pupil Ratio: Teacher (2014-15) (1) Avg. Class Size (2014-15) (2) Per Pupil Ratio: Teacher (2010-11) (1) Avg. Class Size (2010-11) (2)
SBE(3) - New West Charter 20.1 N/A 21.2 24.4 20.9 22.6 24.0 23.3
SBE(3) - Prepa Tec Los Angeles High 14.9 N/A 12.4 20.4 18.7 24.2 --- ---
SBE(3) - The School of Arts and Enterprise 22.1 N/A 17.6 24.1 22.7 25.3 25.0 28.9
South Pasadena Unified 23.4 N/A 23.4 24.2 26.7 29.5 25.3 29.2
South Whittier 23.1 N/A 23.1 25.7 23.3 24.3 26.6 30.1
Sulphur Springs Union 23.7 N/A 24.6 24.9 23.9 25.7 23.6 21.9
Temple City Unified 22.9 N/A 23.2 25.9 22.6 28.3 24.1 27.5
Torrance Unified 22.1 N/A 21.6 26.9 24.0 24.5 28.9 31.6
School District Latest Data Year Before School Year 5 Years Ago School Year 2010-2011
Pupil : Teacher Ratio (2017-18) (1) Avg. Class Size (2017-18) (2) Per Pupil Ratio: Teacher (2016-17) (1) Avg. Class Size (2016-17) (2) Per Pupil Ratio: Teacher (2014-15) (1) Avg. Class Size (2014-15) (2) Per Pupil Ratio: Teacher (2010-11) (1) Avg. Class Size (2010-11) (2)
Valle Lindo 20.2 N/A 21.1 22.6 24.6 27.6 23.5 26.3
Walnut Valley Unified 23.1 N/A 23.4 26.0 18.4 12.4 26.7 30.0
West Covina Unified 22.3 N/A 20.3 24.7 25.6 27.5 24.4 18.4
Westside Union 25.5 N/A 25.9 27.1 24.9 27.1 25.9 29.0
Whittier City 24.1 N/A 22.8 24.2 26.4 29.5 27.2 29.9
Whittier Union High 24.7 N/A 25.0 28.2 23.6 28.2 28.0 29.6
William S. Hart Union High 22.6 N/A 22.4 26.6 27.2 27.4 25.9 17.9
Wilsona Elementary 21.1 N/A 21.9 23.5 0.0 0.0 27.8 27.2
Wiseburn Unified 21.7 N/A 23.7 25.2 20.8 25.1 23.0 29.1

N/A Data not yet available for this school year.

(1) Pupil-teacher ratio is the statistic most commonly used to compare data across states, and should not be confused with average class size.
(2) 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).
(3) SBE - State Board of Education Charter

Source: California Dept. of Education