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Ontario Center

Public Grades K-5

4526^th

SchoolDigger Rank ?

of 5,857 California Elementary Schools

Better than 23% of California elementary schools

Summary

Ontario Center is a K-5 elementary school serving 585 students in Ontario, California, within the Cucamonga Elementary district, operating in a community with significant economic need where about three-quarters of students qualify for free or reduced-price lunch.

While the school faces considerable challenges, including a high rate of chronic student absences and an overall state ranking in the bottom quartile, it shows a clear area of strength in mathematics. Ontario Center's math scores are notably higher than the average for its own district and even outperform some nearby schools like Arroyo Elementary. This is impressive given its higher absenteeism compared to district peers like Los Amigos Elementary and Cucamonga Elementary. The school has also demonstrated particular effectiveness in supporting specific groups of students, such as African American students and, in recent years, male students.

It's important to note that all schools in the Cucamonga Elementary district face similar struggles, but comparisons show that higher achievement is possible in the area. For example, Corona Elementary in the Ontario-Montclair district serves a community with similar needs but achieves significantly higher academic results. This suggests district-level policies and support play a key role. For parents, Ontario Center's proven success in math and with certain student groups indicates a foundation of effective teaching that could be built upon with broader support for attendance and consistent instruction across all grade levels.

585

Students ?

19.9

Student/teacher ratio ?

$22,246

Per pupil spending ?

75.4%

Free/discounted lunch ?

835 North Center Ave.
Ontario, CA 91764-4841

(909) 948-3044

District: Cucamonga Elementary

Students who attend Ontario Center usually attend:

Middle:	Rancho Cucamonga Middle
High:	Colony High

Racial breakdown:

Hispanic:

52.0%

African American:

23.8%

White:

10.6%

See top rated California elementary schools

Compare Ontario Center to nearby elementary schools!

At a glance

▲ Ranking trend: Rebounding — 16th percentile in 2023 → 23rd in 2025

Strengths

✓Ranking is rebounding — up to 23rd (2025) from a 16th-percentile low (2023)

Worth a look

!Test scores below the California average (26% vs 41% meeting standards)

!In the lower quartile statewide (23rd percentile)

!English Language Arts/Literacy scores 23 pts below the California average

Students meeting standards (2024-2025) ?

This school26%

District avg25%

California avg41%

4,526^th of 5,857

California public elementary schools ?

Bottom 23%▼ down 6 pts since 2015

From bottom 29% (2015) to bottom 23% (2025)

See the entire ranking list of California Elementary Schools →

★★★★★

SchoolDigger rating ?

1^st of 3Elementary Schools in the Cucamonga Elementary

1339^th of 1,543Cucamonga Elementary among California districts

Statewide rank percentile over time (100 = the top-ranked school in the state; click a legend item to add a student group)

Show full rank history (all student groups)

All Students

Year	Avg score	Statewide rank	California percentile	Rating
2025	23.7	4526 of 5857	22.7%	★☆☆☆☆
2024	19.7	4894 of 5869	16.6%	★☆☆☆☆
2023	19.4	4917 of 5859	16.1%	★☆☆☆☆
2022	19.4	4915 of 5883	16.5%	★☆☆☆☆
2019	35.4	3504 of 5789	39.5%	★★☆☆☆
2018	36.6	3365 of 5662	40.6%	★★☆☆☆
2017	28.6	3950 of 5692	30.6%	★★☆☆☆
2016	28.1	3920 of 5614	30.2%	★★☆☆☆
2015	26.2	4006 of 5611	28.6%	★☆☆☆☆
2013	40.8	3268 of 5530	40.9%	★★☆☆☆
2012	46.6	2840 of 5390	47.3%	★★☆☆☆
2011	48.2	2708 of 5377	49.6%	★★☆☆☆
2010	48.0	2689 of 5314	49.4%	★★☆☆☆
2009	38.8	3121 of 5193	39.9%	★★☆☆☆
2008	38.9	3003 of 5113	41.3%	★★☆☆☆
2007	45.9	2565 of 5113	49.8%	★★☆☆☆
2006	48.0	2272 of 4818	52.8%	★★★☆☆
2005	51.0	2142 of 4822	55.6%	★★★☆☆
2004	37.1	2801 of 4809	41.8%	★★☆☆☆

African American

Year	Avg score	Statewide rank	California percentile	Rating
2025	45.4	272 of 569	52.2%	★★★☆☆
2024	42.8	294 of 593	50.4%	★★★☆☆
2023	57.9	220 of 661	66.7%	★★★☆☆
2022	51.7	246 of 663	62.9%	★★★☆☆
2019	57.5	256 of 747	65.7%	★★★☆☆
2018	76.0	108 of 700	84.6%	★★★★☆

Disabled

Year	Avg score	Statewide rank	California percentile	Rating
2022	31.3	1437 of 2227	35.5%	★★☆☆☆

English Language Learner

Year	Avg score	Statewide rank	California percentile	Rating
2023	28.2	2653 of 3245	18.2%	★☆☆☆☆

Female

Year	Avg score	Statewide rank	California percentile	Rating
2025	18.4	4819 of 5597	13.9%	★☆☆☆☆
2024	23.4	4397 of 5612	21.7%	★☆☆☆☆
2023	23.5	4370 of 5609	22.1%	★☆☆☆☆
2022	21.7	4546 of 5635	19.3%	★☆☆☆☆
2019	31.9	3671 of 5492	33.2%	★★☆☆☆
2018	38.2	3194 of 5413	41.0%	★★☆☆☆

Hispanic

Year	Avg score	Statewide rank	California percentile	Rating
2025	31.4	3655 of 5107	28.4%	★☆☆☆☆
2024	30.7	3691 of 5107	27.7%	★☆☆☆☆
2023	21.9	4328 of 5087	14.9%	★☆☆☆☆
2022	24.1	4183 of 5084	17.7%	★☆☆☆☆
2019	45.3	2584 of 4963	47.9%	★★☆☆☆
2018	43.8	2627 of 4830	45.6%	★★☆☆☆

Low Socio Economic Status

Year	Avg score	Statewide rank	California percentile	Rating
2025	32.3	3813 of 5460	30.2%	★★☆☆☆
2024	20.1	4779 of 5517	13.4%	★☆☆☆☆
2023	20.2	4688 of 5363	12.6%	★☆☆☆☆
2022	24.7	4268 of 5264	18.9%	★☆☆☆☆
2019	42.5	2931 of 5173	43.3%	★★☆☆☆
2018	46.2	2599 of 5084	48.9%	★★☆☆☆

Male

Year	Avg score	Statewide rank	California percentile	Rating
2025	30.2	3840 of 5628	31.8%	★★☆☆☆
2024	18.3	4880 of 5643	13.5%	★☆☆☆☆
2023	17.0	4986 of 5638	11.6%	★☆☆☆☆
2022	18.9	4810 of 5663	15.1%	★☆☆☆☆
2019	39.2	3094 of 5510	43.8%	★★☆☆☆
2018	35.1	3337 of 5431	38.6%	★★☆☆☆

Special Education

Year	Avg score	Statewide rank	California percentile	Rating
2025	30.2	1989 of 2847	30.1%	★★☆☆☆
2024	31.1	1760 of 2635	33.2%	★★☆☆☆
2023	41.7	1164 of 2420	51.9%	★★★☆☆

White

Year	Avg score	Statewide rank	California percentile	Rating
2025	12.1	2354 of 2598	9.4%	☆☆☆☆☆
2023	19.1	2247 of 2661	15.6%	★☆☆☆☆

How student groups rank statewide ? (each group's percentile vs the same group at other schools — higher is better; the +/- beside each compares the group with this school's overall percentile)

African American (2025)52nd percentile+29 vs school

Disabled (2022)35th percentile+19 vs school

Male (2025)32nd percentile+9 vs school

Low Socio Economic Status (2025)30th percentile+7 vs school

Special Education (2025)30th percentile+7 vs school

Hispanic (2025)28th percentile+6 vs school

English Language Learner (2023)18th percentile~ school

Female (2025)14th percentile-9 vs school

White (2025)9th percentile-13 vs school

By subject vs California (2024-2025) ?

Mathematics28%-10 vs state

English Language Arts/Literacy25%-23 vs state

Science21%-12 vs state

★

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Schools Near Ontario Center

Choose columns to see: Summary School Students/Teachers Ranking Test Scores Immunizations Finance All

School													Students/Teachers											Ranking (2025)				Ranking (2024)				CAST Science (2025)			Smarter Balanced Assessments English Language Arts/Literacy (2025)							Smarter Balanced Assessments Mathematics (2025)							% Completely Immunized (2022)	% Polio (2022)	% Hepatitis B (2022)	% Varicella (2022)	% DTP (2022)	% MMR (2022)	Per Pupil Expenditures (2024)
Name	Type	Grades	Address	City	Zip	County	District	Is Charter	Is Magnet	Is Virtual	Is Title I	Phone	Enrollment	Full-time Teachers	Student/ Teacher Ratio	Free/Discounted Lunch Recipients	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Average Standard Score (2025)	Statewide Rank (2025)	State Percentile (2025)	SchoolDigger Rating (2025)	Average Standard Score (2024)	Statewide Rank (2024)	State Percentile (2024)	Rank Change from Previous Year	CAST Science 5th Grade	CAST Science 8th Grade	CAST Science All Grades	Smarter Balanced Assessments English Language Arts/Literacy 3rd Grade	Smarter Balanced Assessments English Language Arts/Literacy 4th Grade	Smarter Balanced Assessments English Language Arts/Literacy 5th Grade	Smarter Balanced Assessments English Language Arts/Literacy 6th Grade	Smarter Balanced Assessments English Language Arts/Literacy 7th Grade	Smarter Balanced Assessments English Language Arts/Literacy 8th Grade	Smarter Balanced Assessments English Language Arts/Literacy All Grades	Smarter Balanced Assessments Mathematics 3rd Grade	Smarter Balanced Assessments Mathematics 4th Grade	Smarter Balanced Assessments Mathematics 5th Grade	Smarter Balanced Assessments Mathematics 6th Grade	Smarter Balanced Assessments Mathematics 7th Grade	Smarter Balanced Assessments Mathematics 8th Grade	Smarter Balanced Assessments Mathematics All Grades	% Completely Immunized KG	% Polio KG	% Hepatitis B KG	% Varicella KG	% DTP KG	% MMR KG	Per Pupil Expenditures Total	Sub-total from Federal Funds	Sub-total from State/Local Funds
Ontario Center	Public	K-5	835 North Center Ave.	Ontario	91764	San Bernardino County	Cucamonga Elementary	No	(n/a)	No	(n/a)	(909) 948-3044	585	29	19.9	75.4%	62 (10.6%)	139 (23.8%)	304 (52.0%)	36 (6.2%)	0 (0.0%)	6 (1.0%)	38 (6.5%)	23.7	4526^th of 5857 public elementary schools	22.7%		19.7	4894^th of 5869 public elementary schools	16.6%	368	21.0		21.0	25.6	18.8	30.5				25.4	40.2	29.1	16.2				27.7	82.0	88.0	97.0	84.0	87.0	98.0	$22,246	$1,286	$20,960
Cucamonga Elementary	Public	K-5	8677 Archibald Ave.	Rancho Cucamonga	91730	San Bernardino County	Cucamonga Elementary	No	(n/a)	No	(n/a)	(909) 980-1318	452	24	18.9	82.3%	49 (10.8%)	60 (13.3%)	320 (70.8%)	10 (2.2%)	1 (0.2%)	0 (0.0%)	12 (2.7%)	16.2	5170^th of 5857 public elementary schools	11.7%		21.4	4742^nd of 5869 public elementary schools	19.2%	428	19.4		19.4	24.2	20.8	30.3				25.0	19.4	13.7	14.9				15.9	88.6	90.0		91.4	90.0		$23,915	$1,852	$22,063
Corona Elementary	Public	K-6	1140 North Corona Ave.	Ontario	91764	San Bernardino County	Ontario-Montclair	No	(n/a)	No	(n/a)	(909) 984-6411	414	18	22.8	91.1%	10 (2.4%)	8 (1.9%)	383 (92.5%)	11 (2.7%)	1 (0.2%)	1 (0.2%)	0 (0.0%)	60.5	2042^nd of 5857 public elementary schools	65.1%		52.5	2426^th of 5869 public elementary schools	58.7%	384	39.7		39.7	44.6	51.6	63.5				52.9	48.4	33.9	47.6				43.0	97.4				97.4		$27,296	$3,742	$23,554
Mariposa Elementary	Public	K-6	1605 East D St.	Ontario	91764	San Bernardino County	Ontario-Montclair	No	(n/a)	No	(n/a)	(909) 983-4116	537	25	21.4	94.8%	11 (2.0%)	53 (9.9%)	460 (85.7%)	7 (1.3%)	2 (0.4%)	0 (0.0%)	4 (0.7%)	21.9	4680^th of 5857 public elementary schools	20.1%		31	3860^th of 5869 public elementary schools	34.2%	820	18.6		18.6	20.8	27.0	37.1				26.9	24.5	23.6	26.8				24.4	97.2				98.1		$24,105	$3,252	$20,853
Arroyo Elementary	Public	K-8	1700 East Seventh St.	Ontario	91764	San Bernardino County	Ontario-Montclair	No	(n/a)	No	(n/a)	(909) 985-1012	493	23	21.2	76.3%	16 (3.2%)	7 (1.4%)	442 (89.7%)	12 (2.4%)	6 (1.2%)	7 (1.4%)	3 (0.6%)	24.2	4480^th of 5857 public elementary schools	23.5%		24.2	4443^rd of 5869 public elementary schools	24.3%	37	11.8	13.0	12.4	39.1	30.9	28.0	30.5	50.9	50.0	38.2	27.7	28.1	25.5	15.3	30.2	24.1	24.9							$23,728	$3,161	$20,567
Vineyard Elementary	Public	K-8	1500 East Sixth St.	Ontario	91764	San Bernardino County	Ontario-Montclair	No	(n/a)	No	(n/a)	(909) 984-2306	562	22	25.4	86.7%	9 (1.6%)	8 (1.4%)	504 (89.7%)	22 (3.9%)	9 (1.6%)	8 (1.4%)	2 (0.4%)	39.8	3232^nd of 5857 public elementary schools	44.8%		34.8	3541^st of 5869 public elementary schools	39.7%	309	23.3	12.9	17.7	21.9	43.8	40.7	55.7	52.6	47.8	44.1	34.4	40.9	23.3	32.8	34.6	32.9	33.3							$22,024	$3,236	$18,788
Del Norte Elementary	Public	K-6	850 Del Norte Ave.	Ontario	91764	San Bernardino County	Ontario-Montclair	No	(n/a)	No	(n/a)	(909) 986-9515	428	20	21.4	93.0%	11 (2.6%)	31 (7.2%)	369 (86.2%)	5 (1.2%)	3 (0.7%)	3 (0.7%)	6 (1.4%)	24.6	4451^st of 5857 public elementary schools	24.0%		23.4	4544^th of 5869 public elementary schools	22.6%	93	15.4		15.4	32.2	21.7	29.5				27.2	39.0	28.9	23.1				29.4							$25,983	$3,420	$22,563
Bear Gulch Elementary	Public	K-5	8355 Bear Gulch Pl.	Rancho Cucamonga	91730	San Bernardino County	Central Elementary	No	(n/a)	No	(n/a)	(909) 989-9396	443	20	22.1	84.0%	35 (7.9%)	58 (13.1%)	302 (68.2%)	22 (5.0%)	1 (0.2%)	0 (0.0%)	25 (5.6%)	18.8	4933^rd of 5857 public elementary schools	15.8%		23	4582^nd of 5869 public elementary schools	21.9%	351	17.1		17.1	15.5	39.7	31.9				28.6	19.7	18.8	11.6				16.7	97.5	97.5	97.5		97.5		$18,078	$2,981	$15,097
Central Elementary	Public	K-5	7955 Archibald Ave.	Rancho Cucamonga	91730	San Bernardino County	Central Elementary	No	(n/a)	No	(n/a)	(909) 987-2541	436	18	24.2	75.2%	49 (11.2%)	38 (8.7%)	289 (66.3%)	24 (5.5%)	0 (0.0%)	2 (0.5%)	34 (7.8%)	34.1	3642^nd of 5857 public elementary schools	37.8%		41.2	3115^th of 5869 public elementary schools	46.9%	527	25.0		25.0	33.8	42.9	39.4				38.4	31.9	36.8	20.8				29.4	95.3		98.1		96.2		$17,863	$3,220	$14,643
Los Amigos Elementary	Public	K-5	8496 Ninth St.	Rancho Cucamonga	91730	San Bernardino County	Cucamonga Elementary	No	(n/a)	No	(n/a)	(909) 982-8387	550	27	20.1	65.3%	18 (3.3%)	60 (10.9%)	426 (77.5%)	31 (5.6%)	1 (0.2%)	3 (0.5%)	11 (2.0%)	19.2	4899^th of 5857 public elementary schools	16.4%		19.3	4921^st of 5869 public elementary schools	16.2%	22	23.2		23.2	20.8	24.3	33.3				26.6	19.4	15.3	19.2				17.7	87.1	91.1	94.1	89.1	90.1	95.1	$22,819	$1,612	$21,207

Frequently Asked Questions about Ontario Center

How many students attend Ontario Center?

In the 2024-25 school year, 585 students attended Ontario Center.

What district is Ontario Center in?

Cucamonga Elementary

Is Ontario Center a good school?

Ontario Center ranks in the bottom 22.7% of California elementary schools.

What schools do graduates of Ontario Center attend?

Students who attend Ontario Center usually go on to attend:

Middle : Rancho Cucamonga Middle
High : Colony High

What is the racial makeup of Ontario Center?

Students at Ontario Center are 52% Hispanic, 24% African American, 11% White, 6% Two or more races, 6% Asian, 1% Pacific Islander.

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SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the California Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.