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Ontario-Montclair School District

Item: Ontario-Montclair School District
Rating: 5
Author: Public School Review

950 W. D St.
Ontario, CA 91762-3026

( shown in map)

Bottom 50%

Tel: (909) 459-2500

www.omsd.net

Top Rankings

Ontario-Montclair School District ranks among the top 20% of public school district in California for:

Overview

This School District

This State (CA)

# Schools

33 Schools

10,369 Schools

# Students

17,896 Students

5,826,838 Students

# Teachers

859 Teachers

268,018 Teachers

Student : Teacher Ratio

21:1

Student By Grade

View Data

Comparison of Students By Grade Trends
Grade	Ontario-Montclair School District	California
Kind	2,359	254
1	1,739	193
2	1,869	201
3	2,009	202
4	1,879	207
5	1,943	209
6	2,034	210
7	2,010	214
8	2,054	215

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District Rank

Ontario-Montclair School District, which is ranked #1072 of all 1,925 school districts in California (based off of combined math and reading proficiency testing data) for the 2021-2022 school year.

This School District

State Average (CA)

#1040 out of 1941 school districts
(Bottom 50%)

View Data

Overall School District Rank Trends
Year	Ontario-Montclair School District
2022	#1040
2019	#1024
2018	#563
2017	#667
2016	#745
2015	#799
2014	#172
2013	#632
2012	#675
2011	#708
2010	#673

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26%

33%

View Data

Math Proficiency Trends
Year	Ontario-Montclair School District	California
2022	26%	33%
2019	35%	40%
2018	31%	39%
2017	27%	38%
2016	21%	37%
2015	18%	34%
2014	67%	63%
2013	56%	59%
2012	55%	59%
2011	55%	58%
2010	53%	56%

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40%

47%

View Data

Reading and Language Arts Proficiency Trends
Year	Ontario-Montclair School District	California
2022	40%	47%
2019	44%	51%
2018	31%	50%
2017	38%	48%
2016	34%	48%
2015	28%	44%
2014	77%	58%
2013	46%	57%
2012	46%	58%
2011	43%	56%
2010	41%	54%

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20%

29%

Students by Ethnicity:

0.21

0.63

View Data

Comparison of Diversity Score Trends
Year	Ontario-Montclair School District	California
2023	0.21	0.64
2022	0.20	0.63
2021	0.20	0.62
2020	0.20	0.63
2019	0.20	0.63
2018	0.18	0.64
2017	0.18	0.64
2016	0.19	0.64
2015	0.22	0.64
2014	0.21	0.65
2013	0.22	0.65
2012	0.22	0.65
2011	0.23	0.67
2010	0.23	0.67
2009	0.25	0.71
2008	0.24	0.65
2007	0.25	0.67
2006	0.27	0.66
2005	0.29	0.67
2004	0.30	0.67
2003	0.32	0.67
2002	0.35	0.67
2001	0.38	0.67
2000	0.40	0.67
1999	0.44	0.67
1998	0.46	0.67
1997	0.48	0.67
1996	0.50	0.67
1995	0.52	0.67
1994	0.55	0.67
1993	0.57	0.67
1992	0.59	0.67
1991	0.60	0.67

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% American Indian

View Data

American Indian Student Percentage Comparison Over Years (1989-2023)
Year	Ontario-Montclair School District	California
2023	1%	1%
2022	1%	1%
2020	1%	1%
2019	1%	1%
2013	1%	1%
2011	1%	1%
1999	1%	1%
1996	1%	1%
1995	1%	1%
1994	1%	1%
1993	1%	1%
1992	1%	1%
1991	1%	1%
1990	1%	1%
1989	1%	1%

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% Asian

12%

View Data

Asian Student Percentage Comparison Over Years (1991-2023)
Year	Ontario-Montclair School District	California
2023	3%	12%
2022	3%	12%
2021	3%	12%
2020	2%	12%
2019	2%	12%
2018	3%	11%
2017	3%	11%
2016	3%	11%
2015	3%	11%
2014	2%	11%
2013	3%	11%
2012	4%	11%
2011	3%	11%
2010	4%	11%
2009	3%	11%
2008	4%	12%
2007	4%	12%
2006	4%	12%
2005	4%	12%
2004	4%	12%
2003	4%	11%
2002	3%	11%
2001	4%	11%
2000	4%	11%
1999	4%	11%
1998	4%	11%
1997	5%	11%
1996	5%	11%
1995	5%	11%
1994	5%	11%
1993	5%	11%
1992	5%	11%
1991	5%	11%

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% Hispanic

89%

56%

View Data

Hispanic Student Percentage Comparison Over Years (1991-2023)
Year	Ontario-Montclair School District	California
2023	89%	55%
2022	89%	56%
2021	89%	56%
2020	90%	55%
2019	90%	55%
2018	90%	54%
2017	90%	54%
2016	90%	54%
2015	87%	54%
2014	89%	53%
2013	88%	53%
2012	88%	52%
2011	87%	51%
2010	88%	50%
2009	87%	49%
2008	87%	50%
2007	86%	49%
2006	85%	48%
2005	84%	47%
2004	83%	46%
2003	82%	45%
2002	80%	44%
2001	78%	43%
2000	76%	42%
1999	74%	41%
1998	72%	40%
1997	70%	40%
1996	68%	39%
1995	65%	38%
1994	63%	37%
1993	60%	36%
1992	57%	35%
1991	55%	34%

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% Black

View Data

Black Student Percentage Comparison Over Years (1991-2023)
Year	Ontario-Montclair School District	California
2023	3%	5%
2022	3%	5%
2021	3%	5%
2020	3%	5%
2019	3%	5%
2018	2%	6%
2017	2%	6%
2016	2%	6%
2015	3%	6%
2014	3%	6%
2013	3%	6%
2012	3%	6%
2011	3%	7%
2010	3%	7%
2009	3%	7%
2008	3%	8%
2007	4%	8%
2006	4%	8%
2005	4%	8%
2004	4%	8%
2003	5%	8%
2002	6%	8%
2001	6%	8%
2000	7%	9%
1999	7%	9%
1998	8%	9%
1997	8%	9%
1996	8%	9%
1995	8%	9%
1994	9%	9%
1993	9%	9%
1992	9%	9%
1991	9%	9%

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% White

20%

View Data

White Student Percentage Comparison Over Years (1991-2023)
Year	Ontario-Montclair School District	California
2023	3%	21%
2022	3%	21%
2021	3%	22%
2020	3%	23%
2019	3%	23%
2018	4%	24%
2017	4%	24%
2016	4%	24%
2015	5%	24%
2014	4%	25%
2013	4%	25%
2012	4%	26%
2011	5%	27%
2010	5%	27%
2009	6%	28%
2008	6%	29%
2007	6%	29%
2006	7%	31%
2005	8%	31%
2004	9%	32%
2003	9%	34%
2002	11%	35%
2001	12%	36%
2000	13%	37%
1999	14%	38%
1998	16%	39%
1997	17%	39%
1996	18%	40%
1995	21%	41%
1994	22%	42%
1993	25%	43%
1992	28%	44%
1991	30%	45%

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% Hawaiian

n/a

View Data

Native Hawaiian or Pacific Islander Student Percentage Comparison Over Years (2009-2011)
Year	Ontario-Montclair School District	California
2011	1%	1%
2009	1%	1%

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% Two or more races

View Data

Two or More Races Student Percentage Comparison Over Years (2013-2023)
Year	Ontario-Montclair School District	California
2023	1%	6%
2022	1%	5%
2021	1%	5%
2020	1%	4%
2019	1%	4%
2018	1%	4%
2017	1%	4%
2016	1%	4%
2015	2%	3%
2014	2%	3%
2013	1%	3%

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All Ethnic Groups

District Revenue and Spending

The revenue/student of $19,555 in this school district is less than the state median of $19,974. The school district revenue/student has grown by 7% over four school years.

The school district's spending/student of $18,482 is higher than the state median of $18,396. The school district spending/student has grown by 7% over four school years.

This School District

This State (CA)

Total Revenue

$350 MM

$116,387 MM

View Data

Total Revenues Trends
Year	Ontario-Montclair School District	California
2021	$350MM	$8MM
2020	$310MM	$7MM
2019	$326MM	$7MM
2018	$312MM	$29MM
2017	$297MM	$26MM
2016	$292MM	$24MM
2015	$213MM	$17MM
2014	$229MM	$21MM
2012	$219MM	$19MM
2011	$225MM	$19MM
2010	$213MM	$17MM
2009	$228MM	$19MM
2008	$244MM	$19MM
2007	$322MM	$19MM
2006	$217MM	$17MM
2005	$229MM	$16MM
2004	$205MM	$16MM
2003	$237MM	$16MM
2002	$206MM	$15MM
2001	$187MM	$15MM
2000	$160MM	$13MM
1999	$146MM	$12MM
1998	$151MM	$11MM
1997	$129MM	$10MM
1996	$112MM	$9MM
1995	$114MM	$8MM
1992	$88MM	$7MM
1990	$80MM	$6MM

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Spending

$331 MM

$107,188 MM

View Data

Total Expenditure Trends
Year	Ontario-Montclair School District	California
2021	$331MM	$7MM
2020	$319MM	$7MM
2019	$348MM	$7MM
2018	$315MM	$29MM
2017	$289MM	$24MM
2016	$271MM	$23MM
2015	$225MM	$18MM
2014	$226MM	$21MM
2012	$210MM	$19MM
2011	$210MM	$19MM
2010	$225MM	$18MM
2009	$251MM	$18MM
2008	$252MM	$19MM
2007	$273MM	$18MM
2006	$208MM	$17MM
2005	$210MM	$16MM
2004	$205MM	$17MM
2003	$205MM	$15MM
2002	$201MM	$16MM
2001	$188MM	$14MM
2000	$162MM	$13MM
1999	$144MM	$11MM
1998	$147MM	$11MM
1997	$129MM	$10MM
1996	$118MM	$8MM
1995	$111MM	$8MM
1992	$91MM	$7MM
1990	$81MM	$6MM

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Revenue / Student

$19,555

$19,974

View Data

Average Revenue Per Student Trends
Year	Ontario-Montclair School District	California
2021	$18,195	$15,669
2020	$15,410	$14,213
2019	$15,891	$14,063
2018	$14,844	$16,033
2017	$13,715	$16,692
2016	$13,302	$15,604
2015	$9,473	$10,238
2014	$10,044	$11,786
2012	$9,723	$11,929
2011	$9,944	$11,681
2010	$9,392	$10,238
2009	$9,951	$11,099
2008	$10,482	$11,762
2007	$13,336	$11,879
2006	$8,541	$10,859
2005	$8,713	$10,445
2004	$7,588	$10,566
2003	$8,673	$10,456
2002	$7,627	$9,803
2001	$7,069	$10,568
2000	$6,193	$8,943
1999	$5,798	$8,203
1998	$6,128	$7,395
1997	$5,334	$6,922
1995	$4,930	$5,953

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Spending / Student

$18,482

$18,396

View Data

Average Expenditure Per Student Trends
Year	Ontario-Montclair School District	California
2021	$17,196	$13,970
2020	$15,864	$13,602
2019	$16,930	$13,522
2018	$14,990	$16,124
2017	$13,360	$15,588
2016	$12,349	$14,779
2015	$9,987	$10,739
2014	$9,915	$11,804
2012	$9,309	$12,155
2011	$9,295	$11,509
2010	$9,901	$10,739
2009	$10,951	$10,975
2008	$10,825	$11,678
2007	$11,306	$11,317
2006	$8,196	$10,926
2005	$7,972	$10,789
2004	$7,606	$11,073
2003	$7,511	$10,210
2002	$7,440	$10,600
2001	$7,108	$10,007
2000	$6,261	$9,131
1999	$5,744	$7,911
1998	$5,944	$7,592
1997	$5,325	$6,759
1995	$4,815	$6,033

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Frequently Asked Questions

How many schools belong to Ontario-Montclair School District?

Ontario-Montclair School District manages 33 public schools serving 17,896 students.

What is the rank of Ontario-Montclair School District?

Ontario-Montclair School District is ranked #1072 out of 1,925 school districts in California (bottom 50%) based off of combined math and reading proficiency testing data for the 2021-2022 school year. This district ranks in the top 20% of California school districts for: Largest student body (number of students) (Top 1%)

What is the racial composition of students in Ontario-Montclair School District?

89% of Ontario-Montclair School District students are Hispanic, 3% of students are Asian, 3% of students are Black, 3% of students are White, 1% of students are American Indian, and 1% of students are Two or more races.

What is the student/teacher ratio of Ontario-Montclair School District?

Ontario-Montclair School District has a student/teacher ratio of 21:1, which is lower than the California state average of 22:1.

What is Ontario-Montclair School District's spending/student ratio?

The school district's spending/student of $18,482 is higher than the state median of $18,396. The school district spending/student has grown by 7% over four school years.

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Quick Stats (2025)

District size: 33 schools
Grades: KG-08
Enrollment: 17,896 students
Student:Teacher Ratio: 21:1
Minority Enrollment: 97%
: Bottom 50% in CA
: 26% (Btm 50%)
: 40% (Btm 50%)
: 20% (Btm 50%)
Source: National Center for Education Statistics (NCES), CA Dept. of Education