Very Good
#1691 of 9,539 schools in CA
Top 18% in state
Lone Hill Middle
Middle School · Bonita Unified
115 West Allen Ave., San Dimas, CA 91773
Enrollment
906
Student-Teacher
24.5:1
Score
7.9
Grades
6th – 8th
Enrollment
906
Student-Teacher
24.5:1
Score
7.9
Grades
6th – 8th
Data vintage
2022-23
Data vintage2022-23
How this school compares
California schools
#1,691 of 9,539
In San Dimas
#3 of 14
public schools
In district
#3 of 13
Bonita Unified
Academic growth
9.1 / 10
Excellent
Shortlisting around Lone Hill Middle?
Use this profile as one decision point, then compare nearby options, source confidence, and commute fit before picking a neighborhood around it.
Shortlist starter
Start with these real page-level signals, then use the full table and map below.
Lone Hill Middle
Middle School in San Dimas · grades 6th – 8th. Start here, then compare fit against nearby and district options.
San Dimas High
0.2 mi away. Use as a geographic alternative in the same move search.
Adult Transition Program
0.2 mi away. Use as a geographic alternative in the same move search.
About Lone Hill Middle
Lone Hill Middle is a public middle school in San Dimas, CA, part of Bonita Unified. Lone Hill Middle serves approximately 906 students, and covers grades 6th-8th, and has a 24.5:1 student-teacher ratio. Lone Hill Middle has a current MySchoolScout rating of 7.9 out of 10 and ranks #1,691 of 9,539 schools in CA.
Structured state assessment records for Lone Hill Middle show 52% math proficiency (multi-year average, 2009-2024) and 65% reading/ELA proficiency (multi-year average, 2009-2024).
- This school 7.9 · Very Good
- District avg 7.8
- CA avg 6.5
What Parents Should Know
Lone Hill Middle runs 24.5:1 students to teachers, above the national average. That often means bigger classes. Ask how the school supports kids who need extra help, and whether there are teaching assistants or small-group time.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Lone Hill Middle — Students at Lone Hill Middle score 63% proficient, which is above what's typical for similar communities (expected: 52%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
40.4%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 32 test records from CA state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
Source: EdFacts (NCES) and state assessment data. Growth score: 9.1/10.
How Lone Hill Middle Compares
See how Lone Hill Middle performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Programs & Offerings
Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more
Location
115 West Allen Ave., San Dimas, CA 91773
Nearby Alternatives
Families considering Lone Hill Middle may also want to explore other middle schools in the area. San Dimas High (rated 8.3/10, 0.2 miles away), which scores slightly higher. Another option is Arma J. Shull Elementary (rated 7.6/10, 1.3 miles away), with a comparable rating. Additionally, Arrow High (Continuation) (rated 7.4/10, 1.5 miles away, in nearby Glendora), with a comparable rating. For more schools in San Dimas, see our San Dimas schools guide .
Nearby Schools
20 within 1.7 mi| School | Distance | Rating |
|---|---|---|
| San Dimas High San Dimas | 0.2 mi | 8.3 |
| Adult Transition Program San Dimas | 0.2 mi | — |
| CANYON VIEW SCHOOL San Dimas | 0.5 mi | 6.7 |
| DOVE DAY SCHOOL- EDUCATIONAL PROGRAMS- INC. San Dimas | 0.6 mi | — |
| ARROW MONTESSORI SCHOOL OF SAN DIMAS San Dimas | 1.1 mi | 6.2 |
| Arrow Montessori School of San Dimas San Dimas | 1.1 mi | — |
| Gladstone Elementary San Dimas | 1.1 mi | 5.9 |
| Glen Oak Elementary Covina | 1.0 mi | 6.4 |
| Willow Elementary Glendora | 1.3 mi | 6.6 |
| Arma J. Shull Elementary San Dimas | 1.3 mi | 7.6 |
| Arrow High (Continuation) Glendora | 1.5 mi | 7.4 |
| Oak Knoll Alternative Glendora | 1.5 mi | 5.3 |
| Bridges Community Day Glendora | 1.5 mi | — |
| ST LOUISE DE MARILLAC SCHOOL Covina | 1.4 mi | 5.5 |
| St. Louise de Marillac School Covina | 1.5 mi | — |
| VIA VERDE MONTESSORI SCHOOL CORP. San Dimas | 1.8 mi | — |
| VIA VERDE MONTESSORI SCHOOL San Dimas | 1.8 mi | 6.4 |
| Chaparral High (Continuation) San Dimas | 1.8 mi | 6.6 |
| Vista (Alternative) San Dimas | 1.8 mi | — |
| Badillo Elementary Covina | 1.7 mi | 5.9 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 91773 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$105,926
Median Home Value
$754,700
Median Rent
$2,232/mo
Population
33,917
College Educated
40.4%
Homeownership
71.3%
Avg Commute
31.9 min
Poverty Rate
9.2%
Median Age
42.7
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Andrew Carnegie Middle Carson, CA | 7.9 |
| Beverly Vista Middle Beverly Hills, CA | 7.9 |
| Borel Middle San Mateo, CA | 7.9 |
| D. Russell Parks Junior High Fullerton, CA | 7.9 |
| East Whittier Middle Whittier, CA | 7.9 |
| Edward Harris Jr. Middle Elk Grove, CA | 7.9 |
Frequently Asked Questions
Common questions about Lone Hill Middle
What grades does Lone Hill Middle serve?
Lone Hill Middle serves students in grades 6th through 8th.
How many students attend Lone Hill Middle?
Lone Hill Middle has an enrollment of approximately 906 students.
What is the student-teacher ratio at Lone Hill Middle?
The student-teacher ratio at Lone Hill Middle is 24.5:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Lone Hill Middle rank in CA?
Lone Hill Middle ranks #1,691 of 9,539 schools in CA.
What is Lone Hill Middle's MySchoolScout rating?
Lone Hill Middle has a current MySchoolScout rating of 7.9 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Lone Hill Middle?
Based on loaded state assessment records, Lone Hill Middle has 52% math proficiency (multi-year average, 2009-2024) and 65% reading/ELA proficiency (multi-year average, 2009-2024).
Is Lone Hill Middle a charter school?
No, Lone Hill Middle is not a charter school. It is a traditional public school operated by the local school district.
Is Lone Hill Middle a Title I school?
No, Lone Hill Middle is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Lone Hill Middle?
40.4% of students at Lone Hill Middle qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
Powered by 
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 6th – 8th
- Enrollment
- 906
- Student-Teacher Ratio
- 24.5:1
- Teachers (FTE)
- 37
- Free/Reduced Lunch
- 40.4%
- Type
- regular
- Setting
- Large Suburb
- County
- Los Angeles County
- Chronic Absenteeism (SY 2022-23)
- 18.2%
- Phone
- (909) 971-8270
Resources & Links
District
Bonita Unified- District Enrollment
- 9,957
- Schools in District
- 15
- Per-Pupil Spending
- $14,544
- District Rank
- #3 of 13
Other Schools in This District
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateRelated reading
- Best Elementary Schools in America: 2026 Rankingsbest schools
- Best Public Schools in California 2026: Top-Ranked Elementary, Middle & High Schoolsbest schools
- Best School Districts to Move To in 2026: A Data-Driven Guidebest schools
- Best Schools in Los Angeles, CA — 2026 Rankingsbest schools
- Best Schools in San Diego, CA — 2026 Rankingsbest schools
Get school insights in your inbox
New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.
We respect your privacy. Unsubscribe at any time.