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Maple Hill Elementary

Public Grades K-5

142^nd

SchoolDigger Rank ?

of 5,857 California Elementary Schools

Better than 98% of California elementary schools

Summary

Maple Hill Elementary is a top-ranked K-5 public school serving 556 students in Diamond Bar, California, as part of the high-performing Walnut Valley Unified School District.

The school consistently achieves exceptional academic results, with over 82% of students proficient in English and Math, placing it in the 98th percentile statewide and at the top among nearby schools like Quail Summit Elementary. What truly sets Maple Hill apart is its remarkable success in supporting all students, ranking in the 100th percentile for helping both English Learners and students from lower economic backgrounds reach their full potential. Furthermore, the school fosters an excellent attendance culture, with a chronic absenteeism rate of just 3.7%, which is less than half the district average.

Maple Hill's achievements are particularly notable because it accomplishes this with a higher student-teacher ratio and lower per-student spending than some comparison schools, suggesting a highly effective learning environment. While all schools in the Walnut Valley Unified district perform well, Maple Hill stands out for its consistent excellence and equitable outcomes. The school's performance highlights how district resources and policies can impact opportunity, as seen in the stark contrast with some schools in neighboring districts like Pomona Unified, such as Armstrong Elementary, despite their close proximity.

556

Students ?

27.1

Student/teacher ratio ?

$16,342

Per pupil spending ?

27.3%

Free/discounted lunch ?

1350 Maple Hill Rd.
Diamond Bar, CA 91765-2436

(909) 861-6224

District: Walnut Valley Unified

Students who attend Maple Hill Elementary usually attend:

Middle:	Chaparral Middle
High:	Diamond Bar High

Racial breakdown:

Asian:

80.0%

Hispanic:

12.6%

Two or more races:

4.3%

See top rated California elementary schools

Compare Maple Hill Elementary to nearby elementary schools!

At a glance

▲ Ranking trend: Improving — 90th percentile in 2013 → 98th in 2025

Strengths

✓Test scores above the California average (82% vs 41% meeting standards)

✓Ranks in the top 2% of California elementary schools

✓Ranking is trending up — up 8 percentile points since 2013

Worth a look

!Some student groups rank well below the school's overall statewide standing

!Large classes — about 27 students per teacher

Students meeting standards (2024-2025) ?

This school82%

District avg72%

California avg41%

142^nd of 5,857

California public elementary schools ?

Top 2%▲ up 9 pts since 2015

From top 12% (2015) to top 2% (2025)

See the entire ranking list of California Elementary Schools →

★★★★★

SchoolDigger rating ?

1^st of 9Elementary Schools in the Walnut Valley Unified

81^st of 1,543Walnut Valley 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	97.1	142 of 5857	97.6%	★★★★★
2024	97.1	155 of 5869	97.4%	★★★★★
2023	97.7	124 of 5859	97.9%	★★★★★
2022	96.7	229 of 5883	96.1%	★★★★★
2019	96.3	198 of 5789	96.6%	★★★★★
2018	96.3	194 of 5662	96.6%	★★★★★
2017	94.6	361 of 5692	93.7%	★★★★★
2016	90.6	580 of 5614	89.7%	★★★★☆
2015	89.3	651 of 5611	88.4%	★★★★☆
2013	89.0	532 of 5530	90.4%	★★★★★
2012	87.9	558 of 5390	89.6%	★★★★☆
2011	84.9	728 of 5377	86.5%	★★★★☆
2010	87.6	596 of 5314	88.8%	★★★★☆
2009	90.3	462 of 5193	91.1%	★★★★★
2008	84.9	756 of 5113	85.2%	★★★★☆
2007	85.1	747 of 5113	85.4%	★★★★☆
2006	87.4	620 of 4818	87.1%	★★★★☆
2005	88.1	590 of 4822	87.8%	★★★★☆
2004	83.5	775 of 4809	83.9%	★★★★☆

Asian

Year	Avg score	Statewide rank	California percentile	Rating
2025	76.3	261 of 1203	78.3%	★★★★☆
2024	78.3	207 of 1205	82.8%	★★★★☆
2023	78.2	192 of 1190	83.9%	★★★★☆
2022	75.9	248 of 1154	78.5%	★★★★☆
2019	76.6	218 of 1149	81.0%	★★★★☆
2018	74.7	262 of 1071	75.5%	★★★★☆

Disabled

Year	Avg score	Statewide rank	California percentile	Rating
2022	94.0	116 of 2227	94.8%	★★★★★

English Language Learner

Year	Avg score	Statewide rank	California percentile	Rating
2024	100.0	2 of 3162	99.9%	★★★★★
2023	99.9	7 of 3245	99.8%	★★★★★
2022	99.1	37 of 3311	98.9%	★★★★★
2019	99.7	19 of 3275	99.4%	★★★★★
2018	99.2	31 of 3246	99.0%	★★★★★

Female

Year	Avg score	Statewide rank	California percentile	Rating
2025	95.9	190 of 5597	96.6%	★★★★★
2024	95.3	269 of 5612	95.2%	★★★★★
2023	97.1	123 of 5609	97.8%	★★★★★
2022	95.8	233 of 5635	95.9%	★★★★★
2019	95.7	184 of 5492	96.6%	★★★★★
2018	96.0	154 of 5413	97.2%	★★★★★

Hispanic

Year	Avg score	Statewide rank	California percentile	Rating
2025	86.5	472 of 5107	90.8%	★★★★★
2024	93.3	231 of 5107	95.5%	★★★★★
2023	93.2	229 of 5087	95.5%	★★★★★
2022	93.0	261 of 5084	94.9%	★★★★★
2019	83.8	560 of 4963	88.7%	★★★★☆
2018	93.7	177 of 4830	96.3%	★★★★★

Low Socio Economic Status

Year	Avg score	Statewide rank	California percentile	Rating
2025	99.5	21 of 5460	99.6%	★★★★★
2024	99.3	39 of 5517	99.3%	★★★★★
2023	99.9	5 of 5363	99.9%	★★★★★
2022	99.8	9 of 5264	99.8%	★★★★★
2019	98.8	19 of 5173	99.6%	★★★★★
2018	97.9	40 of 5084	99.2%	★★★★★

Male

Year	Avg score	Statewide rank	California percentile	Rating
2025	97.0	113 of 5628	98.0%	★★★★★
2024	97.5	97 of 5643	98.3%	★★★★★
2023	97.2	130 of 5638	97.7%	★★★★★
2022	96.2	216 of 5663	96.2%	★★★★★
2019	94.9	258 of 5510	95.3%	★★★★★
2018	94.9	260 of 5431	95.2%	★★★★★

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)100th percentile+3 vs school

Low Socio Economic Status (2025)100th percentile~ school

Male (2025)98th percentile~ school

Female (2025)97th percentile~ school

Disabled (2022)95th percentile~ school

Hispanic (2025)91st percentile-7 vs school

Asian (2025)78th percentile-19 vs school

By subject vs California (2024-2025) ?

Mathematics83%+46 vs state

English Language Arts/Literacy83%+34 vs state

Science76%+44 vs state

★

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Schools Near Maple Hill 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)				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	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
Maple Hill Elementary	Public	K-5	1350 Maple Hill Rd.	Diamond Bar	91765	Los Angeles County	Walnut Valley Unified	No	(n/a)	No	(n/a)	(909) 861-6224	556	21	27.1	27.3%	15 (2.7%)	0 (0.0%)	70 (12.6%)	445 (80.0%)	0 (0.0%)	2 (0.4%)	24 (4.3%)	97.1	142^nd of 5857 public elementary schools	97.6%		97.1	155^th of 5869 public elementary schools	97.4%	13	76.2	76.2	73.9	85.9	87.3		82.5	80.7	83.2	84.8		82.9							$16,342	$16,004	$338
Quail Summit Elementary	Public	K-5	23330 East Quail Summit Dr.	Diamond Bar	91765	Los Angeles County	Walnut Valley Unified	No	(n/a)	No	(n/a)	(909) 861-3004	696	28	25.3	25.0%	22 (3.2%)	11 (1.6%)	112 (16.1%)	517 (74.3%)	0 (0.0%)	0 (0.0%)	34 (4.9%)	95.5	284^th of 5857 public elementary schools	95.2%		97.2	142^nd of 5869 public elementary schools	97.6%	142	69.2	69.2	72.3	75.6	82.6		76.7	76.5	86.2	82.9		81.9							$16,267	$15,780	$487
Evergreen Elementary	Public	K-5	2450 South Evergreen Springs	Diamond Bar	91765	Los Angeles County	Walnut Valley Unified	No	(n/a)	No	(n/a)	(909) 594-1041	709	28	24.9	25.8%	22 (3.1%)	8 (1.1%)	146 (20.6%)	499 (70.4%)	0 (0.0%)	2 (0.3%)	32 (4.5%)	92.2	534^th of 5857 public elementary schools	90.9%		94.5	386^th of 5869 public elementary schools	93.4%	148	65.0	65.0	74.1	68.7	74.6		72.4	73.0	70.6	71.4		71.6	93.3	93.3	93.3	93.3	93.3	93.3	$15,848	$15,262	$586
Walnut Elementary	Public	K-5	841 South Glenwick	Walnut	91789	Los Angeles County	Walnut Valley Unified	No	(n/a)	No	(n/a)	(909) 594-1820	706	27	25.8	25.2%	8 (1.1%)	2 (0.3%)	104 (14.7%)	550 (77.9%)	0 (0.0%)	2 (0.3%)	40 (5.7%)	94.2	382^nd of 5857 public elementary schools	93.5%		95.5	307^th of 5869 public elementary schools	94.8%	75	64.0	64.0	70.6	72.2	82.9		75.4	79.0	76.1	76.0		77.0							$17,942	$17,388	$554
Armstrong Elementary	Public	K-6	22750 Beaverhead Dr.	Diamond Bar	91765	Los Angeles County	Pomona Unified	No	(n/a)	No	(n/a)	(909) 397-4563	251	14	18.5	66.9%	25 (10.0%)	16 (6.4%)	150 (59.8%)	37 (14.7%)	0 (0.0%)	0 (0.0%)	23 (9.2%)	42.4	3044^th of 5857 public elementary schools	48.0%		55.5	2259^th of 5869 public elementary schools	61.5%	785	24.0	24.0	37.9	40.5	68.0	48.0	47.4	37.9	18.9	36.0	28.0	29.3							$28,404	$27,084	$1,320
Castle Rock Elementary	Public	K-5	2975 Castle Rock Rd.	Diamond Bar	91765	Los Angeles County	Walnut Valley Unified	No	(n/a)	No	(n/a)	(909) 598-5006	684	26	26.1	26.6%	20 (2.9%)	10 (1.5%)	132 (19.3%)	480 (70.2%)	1 (0.1%)	4 (0.6%)	37 (5.4%)	90.9	613^th of 5857 public elementary schools	89.5%		88.4	791^st of 5869 public elementary schools	86.5%	178	59.0	59.0	71.6	65.1	76.6		71.2	77.5	71.0	65.0		70.5							$16,254	$15,832	$422
Pantera Elementary	Public	K-6	801 Pantera Dr.	Diamond Bar	91765	Los Angeles County	Pomona Unified	No	(n/a)	No	(n/a)	(909) 397-4475	512	22	23.6	47.9%	23 (4.5%)	7 (1.4%)	98 (19.1%)	349 (68.2%)	0 (0.0%)	0 (0.0%)	35 (6.8%)	94.8	353^rd of 5857 public elementary schools	94.0%		97	168^th of 5869 public elementary schools	97.1%	185	63.5	63.5	71.2	84.7	82.4	88.5	81.4	82.4	80.8	58.1	77.1	74.5							$14,816	$13,418	$1,398
Golden Springs Elementary	Public	K-6	245 South Ballena Dr.	Diamond Bar	91765	Los Angeles County	Pomona Unified	No	(n/a)	No	(n/a)	(909) 397-4596	388	16	25.0	72.2%	24 (6.2%)	14 (3.6%)	267 (68.8%)	61 (15.7%)	0 (0.0%)	0 (0.0%)	22 (5.7%)	60.7	2029^th of 5857 public elementary schools	65.4%		57.9	2153^rd of 5869 public elementary schools	63.3%	124	33.3	33.3	60.0	71.4	50.8	56.3	59.8	43.4	45.7	31.8	33.3	38.5							$15,868	$14,520	$1,348
Vejar Elementary	Public	K-5	20222 Vejar Rd.	Walnut	91789	Los Angeles County	Walnut Valley Unified	No	(n/a)	No	(n/a)	(909) 594-1434	631	27	23.0	32.2%	23 (3.6%)	5 (0.8%)	197 (31.2%)	383 (60.7%)	0 (0.0%)	0 (0.0%)	23 (3.6%)	87	827^th of 5857 public elementary schools	85.9%		89.2	738^th of 5869 public elementary schools	87.4%	89	55.5	55.5	71.3	61.8	67.8		67.0	78.7	64.8	57.1		66.6							$16,935	$16,226	$709
Cyrus J. Morris Elementary	Public	K-5	19875 East Calle Baja	Walnut	91789	Los Angeles County	Walnut Valley Unified	No	(n/a)	No	(n/a)	(909) 594-0053	485	18	26.9	28.5%	7 (1.4%)	2 (0.4%)	116 (23.9%)	344 (70.9%)	0 (0.0%)	0 (0.0%)	16 (3.3%)	83.7	981^st of 5857 public elementary schools	83.3%		90.7	654^th of 5869 public elementary schools	88.9%	327	47.1	47.1	70.7	59.1	62.2		63.7	76.6	58.9	69.0		67.7							$18,557	$17,802	$755

Frequently Asked Questions about Maple Hill Elementary

What is the racial makeup of Maple Hill Elementary?

Students at Maple Hill Elementary are 80% Asian, 13% Hispanic, 4% Two or more races, 3% White.

What district is Maple Hill Elementary in?

Walnut Valley Unified

What schools do graduates of Maple Hill Elementary attend?

Students who attend Maple Hill Elementary usually go on to attend:

Middle : Chaparral Middle
High : Diamond Bar High

How many students attend Maple Hill Elementary?

In the 2024-25 school year, 556 students attended Maple Hill Elementary.

Is Maple Hill Elementary a good school?

Yes! Maple Hill Elementary is one of the best elementary schools in the state. It ranks 142^nd of 5857 California elementary schools.

Rate Maple Hill 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.