District profile / California

Chaffey Joint Union High

Ontario, California · Superintendent: Mathew Holton · #47 of 554 California districts by enrollment

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22,116

Students

2024-25 school year

Schools

2024-25 school year

$13,126

Spending per student

FY2020-21 · about the same as the California median

24.2

Students per teacher

2024-25 · California median 21.7

Chaffey Joint Union High is a public school district based in Ontario, California, serving 22,116 students in 11 schools. By enrollment it ranks #47 of the 554 California districts with 1,000 or more students, larger than about 92% of them. Its schools average 2,011 students each, more than the California median of 533. Its superintendent is Mathew Holton. It spends about $13,126 per student on day-to-day operations, about the state median. It has roughly 24.2 students per teacher.

How Chaffey Joint Union High compares

Chaffey Joint Union HighCalifornia median, districts with 1,000+ students

Spending per student$13,126

California median $13,724 · about the same · FY2020-21

Instruction spending per student$8,515

California median $8,321 · about the same · FY2020-21

Students per school2,011

California median 533 · 277% above · 2024-25

Students per teacher24.2

California median 21.7 · 12% above · 2024-25

Students per counselor417

California median 474 · 12% below · 2024-25

Spending and staffing

Where the money comes from$472.4 million in revenue · FY2020-21

Federal 8%State 61%Local 30%

Measure	Chaffey Joint Union High	California median	Year
Current spending per student	$13,126	$13,724	FY2020-21
Instruction spending per student	$8,515	$8,321	FY2020-21
Total spending	$392.7 million	n/a	FY2020-21
Total revenue	$472.4 million	n/a	FY2020-21
Teachers (full-time equivalent)	912	n/a	2024-25
Total staff (full-time equivalent)	2,015	n/a	2024-25
Students per teacher	24.2	21.7	2024-25
Students per counselor	417	474	2024-25

Spending: NCES school district finance survey (F-33), FY2020-21. Staffing and enrollment: NCES Common Core of Data, 2024-25. Via the Urban Institute Education Data Portal. The California median compares districts with 1,000 or more students.

Leadership

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Mathew Holton

Superintendent, Chaffey Joint Union High

Source: California Department of Education, School Directory, checked 2026-10-19. Report a change

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Peer districts in California

Compare side by side →

District	Students	Schools	Spending per student	Students per teacher	Rank
Downey UnifiedDowney	22,462	21	$14,339	23.7	#45
Chula Vista ElementaryChula Vista	22,245	44	$13,624	22.0	#46
Chaffey Joint Union HighOntario · this district	22,116	11	$13,126	24.2	#47
Torrance UnifiedTorrance	22,023	32	$11,441	25.2	#48
Folsom-Cordova UnifiedRancho Cordova	21,780	37	$11,926	21.4	#49

Similar-size districts nationally

District	Students	Spending per student	Students per teacher
Colorado Springs School District No. 11Colorado Springs, CO	22,227	$12,490	14.9
Bossier ParishBenton, LA	22,224	$12,162	15.4
Boise Independent DistrictBoise, ID	22,134	$11,068	15.7
Rochester City School DistrictRochester, NY	21,990	$23,558	10.3

Peers are the districts closest in enrollment, so they can still differ in many other ways. Enrollment, school counts and phone numbers are from the NCES Common Core of Data, 2024-25.

Printed from Superintendent's Corner: https://superintendentscorner.com/district-ca-chaffey-joint-union-high