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Walter Zimmerman Elementary

Public Grades K-6

4721^st

SchoolDigger Rank ?

of 5,857 California Elementary Schools

Better than 19% of California elementary schools

Summary

Walter Zimmerman Elementary is a public elementary school in Bloomington, CA, serving 526 students in grades K-6. The school is part of the Colton Joint Unified School District, which is ranked 1264 out of 1565 districts in California and has a 1-star rating from SchoolDigger.

Walter Zimmerman Elementary consistently performs below the district and state averages in academic assessments, with only 30.99% of students proficient or better in English Language Arts and 18.4% in Mathematics in the 2024-2025 school year. The school also struggles to support certain student subgroups, ranking in the bottom 20% of California elementary schools for English Language Learners, Special Education students, and Low Socioeconomic Status students. Additionally, the school has a high chronic absenteeism rate, ranging from 19.1% to 32.7% over the past few years, which is significantly higher than the state average.

Interestingly, nearby schools within the Colton Joint Unified School District, such as Ruth Grimes Elementary, Mary B. Lewis Elementary, and Gerald A. Smith Elementary, generally perform better than Walter Zimmerman Elementary in academic assessments and have lower chronic absenteeism rates. When compared to schools in the neighboring Fontana Unified and Rialto Unified School Districts, the performance gap becomes even more pronounced, with some schools in these districts significantly outperforming Walter Zimmerman Elementary.

512

Students ?

22.2

Student/teacher ratio ?

$24,342

Per pupil spending ?

92%

Free/discounted lunch ?

11050 Linden Ave.
Bloomington, CA 92316-3118

(909) 580-5019

District: Colton Joint Unified

Students who attend Walter Zimmerman Elementary usually attend:

Middle:	Ruth O. Harris Middle
High:	Bloomington High

Racial breakdown:

Hispanic:

98.0%

White:

0.8%

African American:

0.6%

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Compare Walter Zimmerman Elementary to nearby elementary schools!

At a glance

▼ Ranking trend: Declining — 38th percentile in 2013 → 19th in 2025

Worth a look

!Test scores below the California average (24% vs 41% meeting standards)

!In the lower quartile statewide (19th percentile)

!Ranking has slipped — down 19 percentile points since 2013

Students meeting standards (2024-2025) ?

This school24%

District avg25%

California avg41%

4,721^st of 5,857

California public elementary schools ?

Bottom 19%▼ down 1 pts since 2015

See the entire ranking list of California Elementary Schools →

★★★★★

SchoolDigger rating ?

13^th of 18Elementary Schools in the Colton Joint Unified

1245^th of 1,543Colton Joint Unified 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	21.3	4721 of 5857	19.4%	★☆☆☆☆
2024	26.9	4212 of 5869	28.2%	★☆☆☆☆
2023	26.6	4210 of 5859	28.1%	★☆☆☆☆
2022	29.5	3905 of 5883	33.6%	★★☆☆☆
2019	34.5	3573 of 5789	38.3%	★★☆☆☆
2018	30.4	3789 of 5662	33.1%	★★☆☆☆
2017	31.8	3694 of 5692	35.1%	★★☆☆☆
2016	27.3	3983 of 5614	29.1%	★☆☆☆☆
2015	21.8	4451 of 5611	20.7%	★☆☆☆☆
2013	38.5	3422 of 5530	38.1%	★★☆☆☆
2012	34.4	3637 of 5390	32.5%	★★☆☆☆
2011	28.7	4079 of 5377	24.1%	★☆☆☆☆
2010	15.1	4895 of 5314	7.9%	☆☆☆☆☆
2009	7.8	5086 of 5193	2.1%	☆☆☆☆☆
2008	10.4	4907 of 5113	4.0%	☆☆☆☆☆
2007	12.4	4805 of 5113	6.0%	☆☆☆☆☆
2006	12.4	4519 of 4818	6.2%	☆☆☆☆☆
2005	12.0	4519 of 4822	6.3%	☆☆☆☆☆
2004	13.8	4431 of 4809	7.9%	☆☆☆☆☆

Disabled

Year	Avg score	Statewide rank	California percentile	Rating
2022	18.7	2063 of 2227	7.4%	☆☆☆☆☆
2018	18.7	2023 of 2128	4.9%	☆☆☆☆☆

English Language Learner

Year	Avg score	Statewide rank	California percentile	Rating
2024	34.2	2235 of 3162	29.3%	★☆☆☆☆
2023	40.0	1826 of 3245	43.7%	★★☆☆☆
2022	44.6	1497 of 3311	54.8%	★★★☆☆
2019	44.5	1519 of 3275	53.6%	★★★☆☆
2018	44.0	1568 of 3246	51.7%	★★★☆☆

Female

Year	Avg score	Statewide rank	California percentile	Rating
2025	24.8	4274 of 5597	23.6%	★☆☆☆☆
2024	32.7	3593 of 5612	36.0%	★★☆☆☆
2023	28.2	3945 of 5609	29.7%	★☆☆☆☆
2022	31.1	3641 of 5635	35.4%	★★☆☆☆
2019	37.4	3268 of 5492	40.5%	★★☆☆☆
2018	30.1	3756 of 5413	30.6%	★★☆☆☆

Hispanic

Year	Avg score	Statewide rank	California percentile	Rating
2025	30.1	3753 of 5107	26.5%	★☆☆☆☆
2024	38.1	3110 of 5107	39.1%	★★☆☆☆
2023	38.3	3040 of 5087	40.2%	★★☆☆☆
2022	42.5	2713 of 5084	46.6%	★★☆☆☆
2019	48.4	2394 of 4963	51.8%	★★★☆☆
2018	42.8	2685 of 4830	44.4%	★★☆☆☆

Low Socio Economic Status

Year	Avg score	Statewide rank	California percentile	Rating
2025	28.5	4091 of 5460	25.1%	★☆☆☆☆
2024	36.4	3423 of 5517	38.0%	★★☆☆☆
2023	36.8	3332 of 5363	37.9%	★★☆☆☆
2022	40.0	3009 of 5264	42.8%	★★☆☆☆
2019	43.5	2858 of 5173	44.8%	★★☆☆☆
2018	44.6	2706 of 5084	46.8%	★★☆☆☆

Male

Year	Avg score	Statewide rank	California percentile	Rating
2025	20.1	4696 of 5628	16.6%	★☆☆☆☆
2024	22.2	4514 of 5643	20.0%	★☆☆☆☆
2023	25.4	4210 of 5638	25.3%	★☆☆☆☆
2022	29.2	3860 of 5663	31.8%	★★☆☆☆
2019	32.9	3553 of 5510	35.5%	★★☆☆☆
2018	32.0	3549 of 5431	34.7%	★★☆☆☆

Special Education

Year	Avg score	Statewide rank	California percentile	Rating
2025	21.5	2508 of 2847	11.9%	★☆☆☆☆
2024	18.6	2469 of 2635	6.3%	☆☆☆☆☆
2023	27.2	1785 of 2420	26.2%	★☆☆☆☆

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)

English Language Learner (2024)29th percentile~ school

Hispanic (2025)27th percentile+7 vs school

Low Socio Economic Status (2025)25th percentile+6 vs school

Female (2025)24th percentile+4 vs school

Male (2025)17th percentile-3 vs school

Special Education (2025)12th percentile-7 vs school

Disabled (2022)7th percentile-26 vs school

By subject vs California (2024-2025) ?

English Language Arts/Literacy31%-18 vs state

Science20%-12 vs state

Mathematics18%-19 vs state

★

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Schools Near Walter Zimmerman Elementary

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Ranking:

E Elementary M Middle H High A Alternative P Private

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

School													Students/Teachers											Ranking (2025)				Ranking (2024)				CSA Spanish Overall (2025)					CSA Spanish Listening (2025)					CSA Spanish Writing (2025)					CSA Spanish Reading (2025)					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 (2025)
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	CSA Spanish Overall 3rd Grade	CSA Spanish Overall 4th Grade	CSA Spanish Overall 5th Grade	CSA Spanish Overall 6th Grade	CSA Spanish Overall All Grades	CSA Spanish Listening 3rd Grade	CSA Spanish Listening 4th Grade	CSA Spanish Listening 5th Grade	CSA Spanish Listening 6th Grade	CSA Spanish Listening All Grades	CSA Spanish Writing 3rd Grade	CSA Spanish Writing 4th Grade	CSA Spanish Writing 5th Grade	CSA Spanish Writing 6th Grade	CSA Spanish Writing All Grades	CSA Spanish Reading 3rd Grade	CSA Spanish Reading 4th Grade	CSA Spanish Reading 5th Grade	CSA Spanish Reading 6th Grade	CSA Spanish Reading All Grades	CAST Science 5th 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 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 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
Walter Zimmerman Elementary	Public	K-6	11050 Linden Ave.	Bloomington	92316	San Bernardino County	Colton Joint Unified	No	(n/a)	No	(n/a)	(909) 580-5019	512	23	22.2	92.0%	4 (0.8%)	3 (0.6%)	502 (98.0%)	1 (0.2%)	0 (0.0%)	0 (0.0%)	2 (0.4%)	21.3	4721^st of 5857 public elementary schools	19.4%		26.9	4212^th of 5869 public elementary schools	28.2%	509																					20.3	20.3	24.1	29.8	35.9	33.3	31.0	27.4	16.7	14.1	16.7	18.4	96.5						$24,342	$21,542	$2,800
Crestmore Elementary	Public	K-6	18870 Jurupa Ave.	Bloomington	92316	San Bernardino County	Colton Joint Unified	No	(n/a)	No	(n/a)	(909) 580-5010	586	24	24.4	87.0%	8 (1.4%)	6 (1.0%)	572 (97.6%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	36.3	3454^th of 5857 public elementary schools	41.0%		30.2	3910^th of 5869 public elementary schools	33.4%	456																					27.0	27.0	46.7	34.1	37.9	42.1	40.2	40.2	22.5	25.6	24.7	28.3	95.7			96.8			$21,296	$18,518	$2,778
Sycamore Hills Elementary	Public	K-6	11036 Mahogany Dr.	Fontana	92337	San Bernardino County	Colton Joint Unified	No	(n/a)	No	(n/a)	(909) 580-5029	565	26	21.7	80.0%	21 (3.7%)	35 (6.2%)	457 (80.9%)	41 (7.3%)	4 (0.7%)	0 (0.0%)	7 (1.2%)	31.9	3808^th of 5857 public elementary schools	35.0%		29	4017^th of 5869 public elementary schools	31.6%	209																					17.0	17.0	26.9	43.7	42.3	41.5	38.3	27.1	42.3	16.2	25.5	26.7	97.0						$21,061	$18,364	$2,697
Ruth Grimes Elementary	Public	K-6	1609 Spruce Ave.	Bloomington	92316	San Bernardino County	Colton Joint Unified	No	(n/a)	No	(n/a)	(909) 580-5030	606	28	21.6	85.5%	13 (2.1%)	15 (2.5%)	565 (93.2%)	9 (1.5%)	0 (0.0%)	4 (0.7%)	0 (0.0%)	51.6	2523^rd of 5857 public elementary schools	56.9%		55.2	2279^th of 5869 public elementary schools	61.2%	244	14.0	8.9	8.9	10.8	10.6	23.3	13.3	33.3	16.2	21.8	20.9	40.0	4.4	27.0	22.9	9.3	8.9	6.7	5.4	7.7	25.0	25.0	44.0	51.1	44.7	51.8	47.7	48.4	42.7	32.4	39.5	40.4							$37,082	$34,264	$2,818
Mary B. Lewis Elementary	Public	K-6	18040 San Bernardino Ave.	Bloomington	92316	San Bernardino County	Colton Joint Unified	No	(n/a)	No	(n/a)	(909) 580-5025	548	24	22.8	93.1%	23 (4.2%)	39 (7.1%)	478 (87.2%)	2 (0.4%)	1 (0.2%)	1 (0.2%)	4 (0.7%)	19.6	4861^st of 5857 public elementary schools	17.0%		24	4466^th of 5869 public elementary schools	23.9%	395																					11.8	11.8	21.4	28.4	32.1	40.8	30.9	18.6	28.0	7.1	14.1	16.6	96.2				97.5		$21,282	$18,698	$2,584
Gerald A. Smith Elementary	Public	K-6	9551 Linden Ave.	Bloomington	92316	San Bernardino County	Colton Joint Unified	No	(n/a)	No	(n/a)	(909) 580-5033	565	25	22.4	86.9%	7 (1.2%)	23 (4.1%)	527 (93.3%)	3 (0.5%)	0 (0.0%)	3 (0.5%)	2 (0.4%)	31.2	3863^rd of 5857 public elementary schools	34.0%		25.8	4294^th of 5869 public elementary schools	26.8%	431																					18.2	18.2	35.4	37.5	34.9	39.2	36.9	37.0	31.5	23.1	17.7	27.7	97.4				97.4		$21,281	$18,588	$2,693
Samuel W. Simpson Elementary	Public	K-5	1050 South Lilac Ave.	Rialto	92376	San Bernardino County	Rialto Unified	No	(n/a)	No	(n/a)	(909) 820-7954	638	26	24.5	82.4%	23 (3.6%)	27 (4.2%)	573 (89.8%)	9 (1.4%)	0 (0.0%)	0 (0.0%)	3 (0.5%)	73.8	1429^th of 5857 public elementary schools	75.6%		73.3	1437^th of 5869 public elementary schools	75.5%	8																					43.8	43.8	55.6	72.6	70.9		66.3	48.5	61.5	38.1		49.0	94.4		97.5	97.5		97.5	$19,380	$17,574	$1,806
Maple Elementary	Public	K-5	751 South Maple Ave.	Fontana	92335	San Bernardino County	Fontana Unified	No	(n/a)	No	(n/a)	(909) 357-5670	511	25	20.7	81.4%	14 (2.7%)	26 (5.1%)	460 (90.0%)	4 (0.8%)	0 (0.0%)	3 (0.6%)	4 (0.8%)	20.6	4778^th of 5857 public elementary schools	18.4%		23.5	4525^th of 5869 public elementary schools	22.9%	253																					9.1	9.1	28.2	29.9	33.0		30.4	29.4	23.4	15.9		22.8	88.3	92.6		92.6	90.4	90.4	$15,474	$13,040	$2,434
Palmetto Elementary	Public	K-5	9325 Palmetto Ave.	Fontana	92335	San Bernardino County	Fontana Unified	No	(n/a)	No	(n/a)	(909) 357-5710	577	27	21.7	92.7%	22 (3.8%)	18 (3.1%)	524 (90.8%)	8 (1.4%)	1 (0.2%)	1 (0.2%)	3 (0.5%)	20.8	4755^th of 5857 public elementary schools	18.8%		23	4578^th of 5869 public elementary schools	22.0%	177																					18.9	18.9	33.0	26.1	32.1		30.6	27.8	20.0	9.9		18.8							$16,228	$13,626	$2,602
Dolores Huerta International Academy	Public	K-6	17777 Merrill Ave.	Fontana	92335	San Bernardino County	Fontana Unified	No	(n/a)	No	(n/a)	(909) 357-5070	639	27	23.6	82.6%	7 (1.1%)	7 (1.1%)	624 (97.7%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	1 (0.2%)	45.2	2874^th of 5857 public elementary schools	50.9%		43.8	2939^th of 5869 public elementary schools	49.9%	65		8.2			8.2		16.5			16.5		30.6			30.6		8.2			8.2	30.9	30.9	21.1	45.9	50.6	68.7	44.5	24.2	35.3	33.3	44.8	33.5							$17,937	$15,290	$2,647

Frequently Asked Questions about Walter Zimmerman Elementary

How many students attend Walter Zimmerman Elementary?

In the 2024-25 school year, 512 students attended Walter Zimmerman Elementary.

What is the racial makeup of Walter Zimmerman Elementary?

Students at Walter Zimmerman Elementary are 98% Hispanic.

What schools do graduates of Walter Zimmerman Elementary attend?

Students who attend Walter Zimmerman Elementary usually go on to attend:

Middle : Ruth O. Harris Middle
High : Bloomington High

What district is Walter Zimmerman Elementary in?

Colton Joint Unified

Is Walter Zimmerman Elementary a good school?

Walter Zimmerman Elementary ranks in the bottom 19.4% of California elementary schools.

Rate Walter Zimmerman Elementary!

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Latest California data All new data »

2024–25 school spending dataJul 1, 2026

2024–25 attendance dataMar 13, 2026

2024–25 CSA Spanish test scoresDec 22, 2025

2024–25 dropout rates & graduation ratesNov 14, 2025

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.