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Lone Hill Middle

Q: Is Lone Hill Middle a good school?

Lone Hill Middle ranks 293 rd of 2703 California middle schools. SchoolDigger rates this school 4 stars out of 5.

Public Grades 6-8

293^rd

SchoolDigger Rank ?

of 2,703 California Middle Schools

Better than 89% of California middle schools

Summary

Lone Hill Middle serves 870 students in grades 6–8 in San Dimas, in the eastern San Gabriel Valley, and is part of Bonita Unified. SchoolDigger places it 293rd among 2,703 California schools, at the 89th percentile with four stars. Its clearest academic distinction is science: Lone Hill performs well above the state and district and ranks second among nearby middle schools.

Across subjects, Lone Hill’s strongest comparison is science and its clearest relative shortfall is math. In 2025–26, proficiency was 65% in science, 72% in English language arts (ELA), and 55% in math. Those results were respectively 29, 23, and 17 percentage points above state rates. Compared with Bonita Unified, Lone Hill was 6 points higher in science, 1 point lower in ELA, and 9 points lower in math. Among nearby schools serving grades 6–8, it ranked second in science and ELA and third in math. Science was especially close: Ramona Middle scored 65.6%, just ahead of Lone Hill’s 65.5%. Lone Hill’s math result still exceeded the nearby-school average, but trailed Goddard Middle and Ramona.

Results have risen overall from 2022–23 to 2025–26: ELA increased from 66% to 72%, math from 47% to 55%, and science from 42% to 65%. The school’s advantage over the state widened in all three subjects, especially science, which moved from 11 percentage points above the state to 29 points above. Chronic absenteeism also improved, falling from 19% in 2021–22 to 10% in 2025–26; the latest rate was slightly above the district’s 9.9%. Lone Hill’s student-teacher ratio was 23.3 in 2024–25, close to the nearby-school average of 22.7. Its reported free/reduced lunch eligible rate was 39% that year, compared with a nearby-school average of 65%. SchoolDigger’s 2025–26 statewide ranking for Multi-racial Students was at the 61st percentile, below Lone Hill’s overall 89th percentile; its ranking for English Language Learner Students rose from the 78th percentile in 2018–19 to the 92nd in 2022–23.

870

Students ?

23.3

Student/teacher ratio ?

$15,790

Per pupil spending ?

38.9%

Free/reduced lunch eligible (2024-25) ?

All students in California receive free school meals.

700 South Lone Hill
San Dimas, CA 91773-1437

(909) 971-8270

District: Bonita Unified

Students who attend Lone Hill Middle usually attend:

High:

San Dimas High

Feeder schools for Lone Hill Middle:

Elementary:	Arma J. Shull Elementary
	Fred Ekstrand Elementary
	Gladstone Elementary

Racial breakdown:

Hispanic:

58.9%

White:

17.7%

Asian:

10.8%

See top rated California middle schools

Compare Lone Hill Middle to nearby middle schools!

At a glance

▲ Ranking trend: Improving — 75th percentile in 2015 → 89th in 2026

Strengths

✓Test scores above the California average (64% vs 42% meeting standards)

✓Ranks in the top 11% of California middle schools

✓Ranking is trending up — up 14 percentile points since 2015

Worth a look

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

!Large classes — about 23 students per teacher

Students meeting standards (2025-2026) ?

This school64%

District avg67%

California avg42%

293^rd of 2,703

California public middle schools ?

Top 11%▲ up 18 pts since 2016

From top 29% (2016) to top 11% (2026)

See the entire ranking list of California Middle Schools →

★★★★★

SchoolDigger rating ?

2^nd of 2Middle Schools in the Bonita Unified

122^nd of 968Bonita 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
2026	88.0	293 of 2703	89.2%	★★★★☆
2025	87.8	315 of 2761	88.6%	★★★★☆
2024	89.5	289 of 2783	89.6%	★★★★☆
2023	82.5	425 of 2781	84.7%	★★★★☆
2022	77.0	547 of 2740	80.0%	★★★★☆
2019	80.5	474 of 2715	82.5%	★★★★☆
2018	76.0	512 of 2480	79.4%	★★★★☆
2017	74.8	572 of 2508	77.2%	★★★★☆
2016	66.0	729 of 2497	70.8%	★★★★☆
2015	70.9	629 of 2477	74.6%	★★★★☆
2013	73.5	497 of 2379	79.1%	★★★★☆
2012	66.3	665 of 2259	70.6%	★★★★☆
2011	62.8	739 of 2236	66.9%	★★★☆☆
2010	54.3	920 of 2179	57.8%	★★★☆☆
2009	59.1	771 of 2063	62.6%	★★★☆☆
2008	61.3	678 of 2005	66.2%	★★★☆☆
2007	56.5	750 of 1999	62.5%	★★★☆☆
2006	52.8	761 of 1804	57.8%	★★★☆☆
2005	58.1	648 of 1777	63.5%	★★★☆☆
2004	57.3	630 of 1769	64.4%	★★★☆☆

African American

Year	Avg score	Statewide rank	California percentile	Rating
2022	62.1	190 of 637	70.2%	★★★★☆
2019	85.7	56 of 643	91.3%	★★★★★

Asian

Year	Avg score	Statewide rank	California percentile	Rating
2026	77.3	157 of 769	79.6%	★★★★☆
2025	81.1	102 of 739	86.2%	★★★★☆
2024	85.5	39 of 743	94.8%	★★★★★
2023	72.7	192 of 715	73.1%	★★★★☆
2022	72.7	209 of 733	71.5%	★★★★☆
2019	73.5	209 of 745	71.9%	★★★★☆
2018	64.0	291 of 700	58.4%	★★★☆☆

Disabled

Year	Avg score	Statewide rank	California percentile	Rating
2022	63.6	354 of 1531	76.9%	★★★★☆
2019	67.3	310 of 1491	79.2%	★★★★☆
2018	68.1	265 of 1369	80.6%	★★★★☆

English Language Learner

Year	Avg score	Statewide rank	California percentile	Rating
2023	77.2	127 of 1521	91.7%	★★★★★
2022	76.1	142 of 1540	90.8%	★★★★★
2019	57.6	324 of 1442	77.5%	★★★★☆
2018	65.9	246 of 1364	82.0%	★★★★☆

Female

Year	Avg score	Statewide rank	California percentile	Rating
2026	83.7	359 of 2483	85.5%	★★★★☆
2025	84.0	359 of 2533	85.8%	★★★★☆
2024	89.4	259 of 2551	89.8%	★★★★☆
2023	81.6	406 of 2531	84.0%	★★★★☆
2022	74.6	537 of 2509	78.6%	★★★★☆
2019	81.0	410 of 2380	82.8%	★★★★☆
2018	79.9	409 of 2262	81.9%	★★★★☆

Hispanic

Year	Avg score	Statewide rank	California percentile	Rating
2026	92.3	104 of 2325	95.5%	★★★★★
2025	91.6	132 of 2395	94.5%	★★★★★
2024	94.0	90 of 2388	96.2%	★★★★★
2023	88.2	172 of 2374	92.8%	★★★★★
2022	86.2	192 of 2359	91.9%	★★★★★
2019	85.8	198 of 2213	91.1%	★★★★★
2018	81.7	255 of 2072	87.7%	★★★★☆

Low Socio Economic Status

Year	Avg score	Statewide rank	California percentile	Rating
2026	85.5	232 of 2493	90.7%	★★★★★
2025	82.1	300 of 2542	88.2%	★★★★☆
2024	88.0	218 of 2579	91.5%	★★★★★
2023	81.3	306 of 2531	87.9%	★★★★☆
2022	83.8	229 of 2458	90.7%	★★★★★
2019	84.1	230 of 2369	90.3%	★★★★★
2018	78.6	311 of 2230	86.1%	★★★★☆

Male

Year	Avg score	Statewide rank	California percentile	Rating
2026	89.1	246 of 2478	90.1%	★★★★★
2025	88.6	277 of 2534	89.1%	★★★★☆
2024	87.7	298 of 2552	88.3%	★★★★☆
2023	81.0	417 of 2538	83.6%	★★★★☆
2022	77.6	481 of 2527	81.0%	★★★★☆
2019	77.0	488 of 2407	79.7%	★★★★☆
2018	69.2	600 of 2273	73.6%	★★★★☆

Multi-racial

Year	Avg score	Statewide rank	California percentile	Rating
2026	63.0	288 of 734	60.8%	★★★☆☆
2025	70.3	214 of 726	70.5%	★★★★☆
2024	64.1	255 of 701	63.6%	★★★☆☆
2023	69.7	211 of 677	68.8%	★★★☆☆
2022	62.2	255 of 665	61.7%	★★★☆☆
2019	57.7	273 of 554	50.7%	★★★☆☆
2018	60.4	209 of 462	54.8%	★★★☆☆

Special Education

Year	Avg score	Statewide rank	California percentile	Rating
2026	83.4	149 of 1586	90.6%	★★★★★
2025	83.4	149 of 1566	90.5%	★★★★★
2024	64.9	349 of 1552	77.5%	★★★★☆
2023	58.7	409 of 1531	73.3%	★★★★☆

White

Year	Avg score	Statewide rank	California percentile	Rating
2026	81.1	215 of 1482	85.5%	★★★★☆
2025	79.6	254 of 1520	83.3%	★★★★☆
2024	78.3	266 of 1537	82.7%	★★★★☆
2023	66.6	478 of 1543	69.0%	★★★☆☆
2022	50.7	755 of 1555	51.4%	★★★☆☆
2019	66.8	513 of 1602	68.0%	★★★☆☆
2018	63.6	546 of 1496	63.5%	★★★☆☆

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)

Hispanic (2026)96th percentile+6 vs school

English Language Learner (2023)92nd percentile+7 vs school

Low Socio Economic Status (2026)91st percentile~ school

Special Education (2026)91st percentile~ school

Male (2026)90th percentile~ school

Female (2026)86th percentile-4 vs school

White (2026)85th percentile-4 vs school

Asian (2026)80th percentile-10 vs school

Disabled (2022)77th percentile-3 vs school

African American (2022)70th percentile-10 vs school

Multi-racial (2026)61st percentile-28 vs school

By subject vs California (2025-2026) ?

English Language Arts/Literacy72%+23 vs state

Science65%+29 vs state

Mathematics55%+17 vs state

★

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Schools Near Lone Hill 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 (2026)				Ranking (2025)				CAST Science (2026)		Smarter Balanced Assessments English Language Arts/Literacy (2026)				Smarter Balanced Assessments Mathematics (2026)				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/reduced lunch (2024-25)	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Average Standard Score (2026)	Statewide Rank (2026)	State Percentile (2026)	SchoolDigger Rating (2026)	Average Standard Score (2025)	Statewide Rank (2025)	State Percentile (2025)	Rank Change from Previous Year	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
Lone Hill Middle	Public	6-8	700 South Lone Hill	San Dimas	91773	Los Angeles County	Bonita Unified	No	(n/a)	No	(n/a)	(909) 971-8270	870	37	23.3	38.9%	154 (17.7%)	21 (2.4%)	512 (58.9%)	94 (10.8%)	0 (0.0%)	1 (0.1%)	88 (10.1%)	88	293^rd of 2703 public middle schools	89.2%		87.8	315^th of 2761 public middle schools	88.6%	22	65.5	65.5	65.4	71.3	78.9	72.1	51.4	56.1	58.4	55.4	$15,790	$15,342	$448
Royal Oak Middle	Public	7-8	303 South Glendora Ave.	Covina	91724	Los Angeles County	Charter Oak Unified	No	(n/a)	No	(n/a)	(626) 967-6354	610	29	21.0	74.1%	71 (11.6%)	10 (1.6%)	455 (74.6%)	48 (7.9%)	5 (0.8%)	0 (0.0%)	21 (3.4%)	67.6	744^th of 2703 public middle schools	72.5%		60.1	905^th of 2761 public middle schools	67.2%	161	34.8	34.8		59.9	55.6	57.7		46.1	47.3	46.7	$22,785	$21,456	$1,329
Ramona Middle	Public	6-8	3490 Ramona Ave.	San Dimas	91773	Los Angeles County	Bonita Unified	No	(n/a)	No	(n/a)	(909) 971-8260	1,371	51	26.6	30.8%	302 (22.0%)	27 (2.0%)	730 (53.2%)	181 (13.2%)	0 (0.0%)	1 (0.1%)	130 (9.5%)	93	192^nd of 2703 public middle schools	92.9%		92.8	202^nd of 2761 public middle schools	92.7%	10	65.6	65.6	71.2	75.4	76.4	74.3	64.3	63.3	70.4	65.9	$13,320	$12,942	$378
Sierra Vista Middle	Public	6-8	777 East Puente St.	Covina	91723	Los Angeles County	Covina-Valley Unified	No	(n/a)	No	(n/a)	(626) 974-7300	778	36	21.6	68.3%	47 (6.0%)	29 (3.7%)	592 (76.1%)	92 (11.8%)	3 (0.4%)	3 (0.4%)	12 (1.5%)	69.6	691^st of 2703 public middle schools	74.4%		55.5	1016^th of 2761 public middle schools	63.2%	325	37.9	37.9	52.6	61.8	54.2	56.2	60.8	50.6	36.5	49.5	$22,872	$21,628	$1,244
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%)	25.5	1965^th of 2703 public middle schools	27.3%		32.6	1735^th of 2761 public middle schools	37.2%	230	19.0	19.0		37.8	41.3	39.7		19.1	12.4	15.7	$54,720	$53,274	$1,446
Goddard Middle	Public	6-8	859 East Sierra Madre Ave.	Glendora	91741	Los Angeles County	Glendora Unified	No	(n/a)	No	(n/a)	(626) 852-4500	728	29	25.4	18.0%	242 (33.2%)	6 (0.8%)	286 (39.3%)	141 (19.4%)	0 (0.0%)	1 (0.1%)	52 (7.1%)	89.8	265^th of 2703 public middle schools	90.2%		87.6	319^th of 2761 public middle schools	88.4%	54	55.2	55.2	70.0	73.9	68.7	70.8	64.3	61.8	61.8	62.6	$22,189	$20,512	$1,677
Sandburg Middle	Public	6-8	819 West Bennett Ave.	Glendora	91741	Los Angeles County	Glendora Unified	No	(n/a)	No	(n/a)	(626) 852-4530	695	28	24.6	30.8%	102 (14.7%)	12 (1.7%)	449 (64.6%)	87 (12.5%)	2 (0.3%)	0 (0.0%)	42 (6.0%)	66.6	763^rd of 2703 public middle schools	71.8%		67.4	734^th of 2761 public middle schools	73.4%	29	37.4	37.4	50.8	59.6	62.7	57.5	36.8	47.5	45.1	43.0	$19,340	$17,252	$2,088
Traweek Middle	Public	6-8	1941 East Rowland Ave.	West Covina	91723	Los Angeles County	Covina-Valley Unified	No	(n/a)	No	(n/a)	(626) 974-7400	614	27	22.4	79.3%	22 (3.6%)	21 (3.4%)	494 (80.5%)	60 (9.8%)	0 (0.0%)	2 (0.3%)	15 (2.4%)	45.9	1291^st of 2703 public middle schools	52.2%		45.4	1317^th of 2761 public middle schools	52.3%	26	28.7	28.7	43.7	53.1	44.5	47.3	36.2	32.1	24.5	30.9	$24,001	$22,208	$1,793
Gladstone Middle	Public	6-8	1340 North Enid	Covina	91702	Los Angeles County	Azusa Unified	No	(n/a)	No	(n/a)	(626) 815-3600	1,326	59	22.3	90.5%	46 (3.5%)	7 (0.5%)	1,203 (90.7%)	48 (3.6%)	1 (0.1%)	1 (0.1%)	19 (1.4%)	23.4	2043^rd of 2703 public middle schools	24.4%		24.8	2014^th of 2761 public middle schools	27.1%	29	22.9	22.9	28.9	33.3	31.1	31.2	19.6	19.5	20.8	20.0	$17,199	$16,008	$1,191
Las Palmas Middle	Public	6-8	641 North Lark Ellen Ave.	Covina	91722	Los Angeles County	Covina-Valley Unified	No	(n/a)	No	(n/a)	(626) 974-7200	887	39	22.6	78.7%	41 (4.6%)	17 (1.9%)	754 (85.0%)	64 (7.2%)	1 (0.1%)	1 (0.1%)	9 (1.0%)	61.9	877^th of 2703 public middle schools	67.6%		61.5	865^th of 2761 public middle schools	68.7%	12	35.6	35.6	53.6	60.3	51.0	54.8	42.0	39.9	38.5	40.2	$21,059	$19,250	$1,809

Frequently Asked Questions about Lone Hill Middle

How many students attend Lone Hill Middle?

In the 2024-25 school year, 870 students attended Lone Hill Middle.

What high school do graduates of Lone Hill Middle attend?

Students who attend Lone Hill Middle usually go on to attend San Dimas High

What is the racial makeup of Lone Hill Middle?

Students at Lone Hill Middle are 59% Hispanic, 18% White, 11% Asian, 10% Two or more races, 2% African American.

Is Lone Hill Middle a good school?

Lone Hill Middle ranks 293^rd of 2703 California middle schools. SchoolDigger rates this school 4 stars out of 5.

What district is Lone Hill Middle in?

Bonita Unified

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Latest California data All new data »

2025–26 attendance data, dropout rates & graduation ratesNewOct 15, 2026

2025–26 CAST, CSA Spanish & Smarter Balanced Assessments scoresNewOct 15, 2026

2024–25 school spending dataJul 1, 2026

2024–25 attendance dataMar 13, 2026

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.