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Lorbeer Middle

Q: Is Lorbeer Middle a good school?

Lorbeer Middle ranks 1228 th of 2761 California middle schools. SchoolDigger rates this school 3 stars out of 5.

Public Grades 7-8

1228^th

SchoolDigger Rank ?

of 2,761 California Middle Schools

Better than 56% of California middle schools

Summary

Lorbeer Middle is a public school for grades 7 and 8 in Diamond Bar, serving about 688 students within the Pomona Unified School District, where it stands out as the highest-performing middle school by a significant margin.

While Lorbeer ranks solidly in the middle statewide, its performance looks very different depending on the comparison. It significantly outpaces other middle schools in its own district, like Emerson Middle and Simons Middle, especially in reducing chronic student absences. However, it lags behind schools just a few miles away in neighboring districts, such as Chaparral Middle in Walnut Valley Unified and Canyon Hills Junior High in Chino Valley Unified, highlighting how district boundaries can affect school outcomes.

The school has shown notable strengths, including a strong, multi-year trend of improving student attendance and effective support for students from economically disadvantaged backgrounds. A key area for growth is mathematics, where proficiency rates are below the state average. Interestingly, Lorbeer operates with more funding per student than many of its higher-performing neighbors, suggesting that resources alone are not the sole factor in academic achievement.

688

Students ?

24.0

Student/teacher ratio ?

$22,294

Per pupil spending ?

74.3%

Free/discounted lunch ?

501 Diamond Bar Blvd.
Diamond Bar, CA 91765-2002

(909) 397-4527

District: Pomona Unified

Students who attend Lorbeer Middle usually attend:

High:

Diamond Ranch High

Feeder schools for Lorbeer Middle:

Elementary:	Armstrong Elementary
	Decker Elementary
	Golden Springs Elementary
	Pantera Elementary
	More...
	Ranch Hills Elementary

Racial breakdown:

Hispanic:

73.4%

Asian:

13.1%

Two or more races:

4.8%

See top rated California middle schools

Compare Lorbeer Middle to nearby middle schools!

At a glance

▲ Ranking trend: Improving — 51st percentile in 2013 → 56th in 2025

Strengths

✓Ranking is trending up — up 5 percentile points since 2013

✓Among the top-ranked schools in Pomona Unified

✓Above the California median (56th percentile)

Worth a look

!Test scores below the California average (34% vs 41% meeting standards)

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

!Listening scores 12 pts below the California average

Students meeting standards (2024-2025) ?

This school34%

District avg28%

California avg41%

1,228^th of 2,761

California public middle schools ?

Top 44%▼ down 7 pts since 2015

From top 37% (2015) to top 44% (2025)

See the entire ranking list of California Middle Schools →

★★★★★

SchoolDigger rating ?

1^st of 4Middle Schools in the Pomona Unified

1092^nd of 1,543Pomona 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	48.4	1228 of 2761	55.5%	★★★☆☆
2024	46.9	1249 of 2783	55.1%	★★★☆☆
2023	47.3	1240 of 2781	55.4%	★★★☆☆
2022	51.0	1144 of 2740	58.2%	★★★☆☆
2019	56.0	997 of 2715	63.3%	★★★☆☆
2018	55.2	956 of 2480	61.5%	★★★☆☆
2017	51.4	1062 of 2508	57.7%	★★★☆☆
2016	61.7	822 of 2497	67.1%	★★★☆☆
2015	56.9	922 of 2477	62.8%	★★★☆☆
2013	50.0	1154 of 2379	51.5%	★★★☆☆
2012	32.8	1563 of 2259	30.8%	★★☆☆☆
2011	51.2	1066 of 2236	52.3%	★★★☆☆
2010	51.2	1010 of 2179	53.6%	★★★☆☆
2009	47.4	1026 of 2063	50.3%	★★★☆☆
2008	65.6	578 of 2005	71.2%	★★★★☆
2007	71.4	462 of 1999	76.9%	★★★★☆
2006	70.8	450 of 1804	75.1%	★★★★☆
2005	68.6	470 of 1777	73.6%	★★★★☆
2004	66.8	490 of 1769	72.3%	★★★★☆

African American

Year	Avg score	Statewide rank	California percentile	Rating
2025	47.3	284 of 609	53.4%	★★★☆☆
2024	56.1	221 of 627	64.8%	★★★☆☆
2023	65.5	162 of 613	73.6%	★★★★☆
2019	62.3	207 of 643	67.8%	★★★☆☆
2018	67.4	156 of 600	74.0%	★★★★☆

Asian

Year	Avg score	Statewide rank	California percentile	Rating
2025	53.6	403 of 739	45.5%	★★☆☆☆
2024	50.4	427 of 743	42.5%	★★☆☆☆
2023	33.3	518 of 715	27.6%	★☆☆☆☆
2022	35.2	515 of 733	29.7%	★☆☆☆☆
2019	58.1	361 of 745	51.5%	★★★☆☆
2018	43.6	466 of 700	33.4%	★★☆☆☆

Disabled

Year	Avg score	Statewide rank	California percentile	Rating
2022	27.8	1143 of 1531	25.3%	★☆☆☆☆
2019	37.7	794 of 1491	46.7%	★★☆☆☆
2018	39.5	710 of 1369	48.1%	★★☆☆☆

English Language Learner

Year	Avg score	Statewide rank	California percentile	Rating
2024	44.1	590 of 1478	60.1%	★★★☆☆
2023	37.8	854 of 1521	43.9%	★★☆☆☆
2022	36.7	903 of 1540	41.4%	★★☆☆☆
2019	44.4	558 of 1442	61.3%	★★★☆☆
2018	50.3	410 of 1364	69.9%	★★★★☆

Female

Year	Avg score	Statewide rank	California percentile	Rating
2025	48.5	1141 of 2533	55.0%	★★★☆☆
2024	47.7	1125 of 2551	55.9%	★★★☆☆
2023	44.0	1214 of 2531	52.0%	★★★☆☆
2022	49.7	1071 of 2509	57.3%	★★★☆☆
2019	61.0	806 of 2380	66.1%	★★★☆☆
2018	56.4	886 of 2262	60.8%	★★★☆☆

Hispanic

Year	Avg score	Statewide rank	California percentile	Rating
2025	46.5	1136 of 2395	52.6%	★★★☆☆
2024	50.0	994 of 2388	58.4%	★★★☆☆
2023	53.2	891 of 2374	62.5%	★★★☆☆
2022	62.3	668 of 2359	71.7%	★★★★☆
2019	62.9	619 of 2213	72.0%	★★★★☆
2018	61.2	638 of 2072	69.2%	★★★☆☆

Homeless

Year	Avg score	Statewide rank	California percentile	Rating
2025	54.2	168 of 477	64.8%	★★★☆☆
2024	54.5	133 of 394	66.2%	★★★☆☆
2023	51.6	124 of 320	61.3%	★★★☆☆
2022	75.2	52 of 336	84.5%	★★★★☆

Low Socio Economic Status

Year	Avg score	Statewide rank	California percentile	Rating
2025	52.7	980 of 2542	61.4%	★★★☆☆
2024	50.2	1040 of 2579	59.7%	★★★☆☆
2023	54.6	886 of 2531	65.0%	★★★☆☆
2022	57.4	793 of 2458	67.7%	★★★☆☆
2019	66.0	583 of 2369	75.4%	★★★★☆
2018	60.3	689 of 2230	69.1%	★★★☆☆

Male

Year	Avg score	Statewide rank	California percentile	Rating
2025	46.1	1184 of 2534	53.3%	★★★☆☆
2024	44.4	1221 of 2552	52.2%	★★★☆☆
2023	49.4	1083 of 2538	57.3%	★★★☆☆
2022	51.6	1014 of 2527	59.9%	★★★☆☆
2019	49.1	1040 of 2407	56.8%	★★★☆☆
2018	51.8	942 of 2273	58.6%	★★★☆☆

Multi-racial

Year	Avg score	Statewide rank	California percentile	Rating
2025	59.9	297 of 726	59.1%	★★★☆☆
2024	38.9	432 of 701	38.4%	★★☆☆☆
2023	43.8	388 of 677	42.7%	★★☆☆☆
2022	42.6	389 of 665	41.5%	★★☆☆☆
2019	42.3	349 of 554	37.0%	★★☆☆☆

Special Education

Year	Avg score	Statewide rank	California percentile	Rating
2025	38.2	842 of 1566	46.2%	★★☆☆☆
2024	35.8	899 of 1552	42.1%	★★☆☆☆
2023	42.7	705 of 1531	54.0%	★★★☆☆

White

Year	Avg score	Statewide rank	California percentile	Rating
2025	38.4	940 of 1520	38.2%	★★☆☆☆
2024	41.0	880 of 1537	42.7%	★★☆☆☆
2023	26.3	1142 of 1543	26.0%	★☆☆☆☆
2022	37.6	963 of 1555	38.1%	★★☆☆☆
2019	66.9	508 of 1602	68.3%	★★★☆☆
2018	60.8	591 of 1496	60.5%	★★★☆☆

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)

Homeless (2025)65th percentile+9 vs school

Low Socio Economic Status (2025)61st percentile+6 vs school

English Language Learner (2024)60th percentile+5 vs school

Multi-racial (2025)59th percentile+4 vs school

Female (2025)55th percentile~ school

African American (2025)53rd percentile~ school

Male (2025)53rd percentile~ school

Hispanic (2025)53rd percentile-3 vs school

Special Education (2025)46th percentile-9 vs school

Asian (2025)45th percentile-10 vs school

White (2025)38th percentile-17 vs school

Disabled (2022)25th percentile-33 vs school

By subject vs California (2024-2025) ?

English Language Arts/Literacy47%~ state avg

Mathematics31%-7 vs state

Science28%-4 vs state

Listening13%-12 vs state

Writing11%-6 vs state

Overall7%-3 vs state

Reading7%~ state avg

★

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Schools Near Lorbeer Middle

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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 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)				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 7th Grade	CSA Spanish Overall 8th Grade	CSA Spanish Overall All Grades	CSA Spanish Listening 7th Grade	CSA Spanish Listening 8th Grade	CSA Spanish Listening All Grades	CSA Spanish Writing 7th Grade	CSA Spanish Writing 8th Grade	CSA Spanish Writing All Grades	CSA Spanish Reading 7th Grade	CSA Spanish Reading 8th Grade	CSA Spanish Reading All Grades	CAST Science 8th Grade	CAST Science All Grades	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 6th Grade	Smarter Balanced Assessments Mathematics 7th Grade	Smarter Balanced Assessments Mathematics 8th Grade	Smarter Balanced Assessments Mathematics All Grades	Per Pupil Expenditures Total	Sub-total from Federal Funds	Sub-total from State/Local Funds
Lorbeer Middle	Public	7-8	501 Diamond Bar Blvd.	Diamond Bar	91765	Los Angeles County	Pomona Unified	No	(n/a)	No	(n/a)	(909) 397-4527	688	29	24.0	74.3%	32 (4.7%)	25 (3.6%)	505 (73.4%)	90 (13.1%)	2 (0.3%)	1 (0.1%)	33 (4.8%)	48.4	1228^th of 2761 public middle schools	55.5%		46.9	1249^th of 2783 public middle schools	55.1%	21	7.1	5.6	6.5	14.3	11.1	13.0	14.3	5.6	10.9	7.1	5.6	6.5	28.3	28.3		49.3	45.4	47.4		31.3	30.0	30.6	$22,294	$21,034	$1,260
Chaparral Middle	Public	6-8	1405 South Spruce Tree Dr.	Diamond Bar	91765	Los Angeles County	Walnut Valley Unified	No	(n/a)	No	(n/a)	(909) 861-6227	1,349	48	28.2	24.6%	48 (3.6%)	16 (1.2%)	195 (14.5%)	1,045 (77.5%)	0 (0.0%)	0 (0.0%)	45 (3.3%)	97.6	60^th of 2761 public middle schools	97.8%		98	49^th of 2783 public middle schools	98.2%	11													66.3	66.3	79.3	88.5	80.9	82.9	76.6	86.3	78.2	80.3	$14,509	$14,034	$475
Suzanne Middle	Public	6-8	525 Suzanne Rd.	Walnut	91789	Los Angeles County	Walnut Valley Unified	No	(n/a)	No	(n/a)	(909) 594-1657	1,190	45	26.3	24.5%	51 (4.3%)	7 (0.6%)	293 (24.6%)	779 (65.5%)	0 (0.0%)	1 (0.1%)	59 (5.0%)	92.8	204^th of 2761 public middle schools	92.6%		94	189^th of 2783 public middle schools	93.2%	15													63.6	63.6	70.9	72.4	76.5	73.3	63.8	65.5	62.0	63.7	$16,577	$16,068	$509
South Pointe Middle	Public	6-8	20671 Larkstone Dr.	Walnut	91789	Los Angeles County	Walnut Valley Unified	No	(n/a)	No	(n/a)	(909) 595-8171	979	38	25.5	25.0%	19 (1.9%)	4 (0.4%)	156 (15.9%)	762 (77.8%)	1 (0.1%)	3 (0.3%)	34 (3.5%)	97.1	79^th of 2761 public middle schools	97.1%		96.9	95^th of 2783 public middle schools	96.6%	16													67.3	67.3	79.4	80.6	79.3	79.8	77.8	79.0	79.1	78.6	$15,897	$15,164	$733
Canyon Hills Junior High	Public	7-8	2500 Madrugada Dr.	Chino Hills	91709	San Bernardino County	Chino Valley Unified	No	(n/a)	No	(n/a)	(909) 464-9938	1,070	40	26.7	46.8%	128 (12.0%)	28 (2.6%)	311 (29.1%)	554 (51.8%)	0 (0.0%)	2 (0.2%)	47 (4.4%)	93.7	187^th of 2761 public middle schools	93.2%		95.1	149^th of 2783 public middle schools	94.6%	38													60.4	60.4		78.2	73.9	76.1		68.2	59.8	64.2	$16,952	$16,028	$924
Marshall Middle	Public	6-8	1921 Arroyo Ave.	Pomona	91768	Los Angeles County	Pomona Unified	No	(n/a)	No	(n/a)	(909) 397-4532	249	16	15.5	96.4%	5 (2.0%)	6 (2.4%)	233 (93.6%)	4 (1.6%)	0 (0.0%)	1 (0.4%)	0 (0.0%)	32.6	1735^th of 2761 public middle schools	37.2%		34.6	1648^th of 2783 public middle schools	40.8%	87													23.2	23.2		46.2	38.3	42.5		13.8	19.8	16.6	$54,720	$53,274	$1,446
Simons Middle	Public	6-8	900 East Franklin Ave.	Pomona	91766	Los Angeles County	Pomona Unified	No	(n/a)	No	(n/a)	(909) 397-4544	578	27	21.3	95.8%	8 (1.4%)	7 (1.2%)	546 (94.5%)	14 (2.4%)	0 (0.0%)	1 (0.2%)	2 (0.3%)	19.7	2240^th of 2761 public middle schools	18.9%		22.5	2146^th of 2783 public middle schools	22.9%	94													13.0	13.0	22.2	28.1	30.8	28.3	14.4	14.7	19.4	16.7	$11,637	$10,322	$1,315
Emerson Middle	Public	6-8	635 Lincoln Ave.	Pomona	91767	Los Angeles County	Pomona Unified	No	(n/a)	No	(n/a)	(909) 397-4516	664	30	22.2	93.7%	9 (1.4%)	29 (4.4%)	599 (90.2%)	19 (2.9%)	3 (0.5%)	0 (0.0%)	5 (0.8%)	17.8	2325^th of 2761 public middle schools	15.8%		18.9	2303^rd of 2783 public middle schools	17.2%	22													11.6	11.6	24.4	32.4	33.2	31.1	7.8	10.5	12.2	10.6	$8,549	$7,374	$1,175
Robert O. Townsend Junior High	Public	7-8	15359 Ilex Dr.	Chino Hills	91709	San Bernardino County	Chino Valley Unified	No	(n/a)	No	(n/a)	(909) 591-2161	905	37	24.4	54.8%	138 (15.2%)	34 (3.8%)	375 (41.4%)	317 (35.0%)	0 (0.0%)	3 (0.3%)	37 (4.1%)	91.1	248^th of 2761 public middle schools	91.0%		87.5	335^th of 2783 public middle schools	88.0%	87													58.9	58.9		69.8	70.4	70.1		59.3	65.4	62.3	$18,255	$17,330	$925
Alvarado Intermediate	Public	7-8	1901 South Desire Ave.	Rowland Heights	91748	Los Angeles County	Rowland Unified	No	(n/a)	No	(n/a)	(626) 964-2358	624	28	22.4	79.8%	9 (1.4%)	3 (0.5%)	299 (47.9%)	290 (46.5%)	1 (0.2%)	2 (0.3%)	20 (3.2%)	56.4	989^th of 2761 public middle schools	64.2%		60.7	867^th of 2783 public middle schools	68.8%	122													28.9	28.9		51.5	41.4	46.0		43.6	40.7	42.0	$15,835	$15,378	$457

Frequently Asked Questions about Lorbeer Middle

What high school do graduates of Lorbeer Middle attend?

Students who attend Lorbeer Middle usually go on to attend Diamond Ranch High

What district is Lorbeer Middle in?

Pomona Unified

How many students attend Lorbeer Middle?

In the 2024-25 school year, 688 students attended Lorbeer Middle.

What is the racial makeup of Lorbeer Middle?

Students at Lorbeer Middle are 73% Hispanic, 13% Asian, 5% Two or more races, 5% White, 4% African American.

Is Lorbeer Middle a good school?

Lorbeer Middle ranks 1228^th of 2761 California middle schools. SchoolDigger rates this school 3 stars out of 5.

Rate Lorbeer Middle!

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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.