Very Good
#1691 of 9,539 schools in CA
Top 18% in state
Lone Hill Middle
Middle School · Bonita Unified · San Dimas, CA
A Bonita Unified middle school where students score 11 points above what's typical for similar communities.
115 West Allen Ave., San Dimas, CA 91773
- Math 54% vs CA 34% (2024)
- Reading 72% vs CA 47% (2024)
- 24.5:1 student-teacher ratio
Academics
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Students at Lone Hill Middle score 63% proficient, which is above what's typical for similar communities (expected: 52%).
2024 CAASPP proficiency
Most recent published year. School vs. CA average.
Trend
→ SteadyProficiency is up 6 points across the 16-year record (2009–2024) and has held near 63% recently.
Show all 13 years
Multi-year averages used by the rating model: math 52% (multi-year average, 2009-2024) · reading/ELA 65% (multi-year average, 2009-2024)
Based on 32 test records from CA state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
40.4%
Students qualifying for federal meal assistance
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 rateThe neighborhood
Where Lone Hill Middle sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the Los Angeles map →
Getting around & local context
- Walk 46Car-Dependent
- Bike 50Bikeable
- City Safety: High2,574/100K
FBI Uniform Crime Reporting · 2024 · city context (San Dimas), not school-level safety or attendance eligibility. Source details
Source period: 2024. Freshness not available.
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$105,926
Median home value
$754,700
Median rent
$2,232/mo
College educated
40.4%
Homeownership
71.3%
Poverty rate
9.2%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 91773; this is area context, not an attendance boundary.
Programs & students
Programs & Offerings
Compare nearby
Nearby same-level schools
4 from a 5-mile search; district fallback available
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Canyon View SchoolPrivate · tuition | 6.7private | 1–12 | 0.5 mi | 104 | Compare → |
| Oak Knoll AlternativeEnrollment path unverified | 5.3 | K–12 | 1.5 mi | 112 | Compare → |
| Vista (alternative)Enrollment path unverified | Not rated | K–12 | 1.8 mi | 13 | Compare → |
| Royal Oak MiddleEnrollment path unverified | 8.2 | 7–8 | 2.3 mi | 607 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Public and private scores come from different models and are shown side by side, not blended into one ranking.
Bonita Unified
- Schools in district
- 15
- Rank in district
- #3 of 13
- District spending per student
- $14,544NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 7.3%Census SAIPE · 2024
Lone Hill Middle is listed in Bonita Unified; a district label does not verify attendance for an address.
About Lone Hill Middle
Lone Hill Middle is a public middle school in San Dimas, CA, part of Bonita Unified, serving approximately 906 students in grades 6th-8th with a 24.5:1 student-teacher ratio. It holds a MySchoolScout rating of 7.9 out of 10 and ranks #1,691 of 9,539 schools in CA. State assessment records show 52% math proficiency (multi-year average, 2009-2024) and 65% reading/ELA proficiency (multi-year average, 2009-2024).
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.
School factsNCES Common Core of Data (CCD) (SY 2023–24)
- Grades
- 6th – 8th
- Enrollment
- 906
- Student-Teacher Ratio
- 24.5:1
- Teachers (FTE)
- 37
- Type
- regular
- Setting
- Large Suburb
- County
- Los Angeles County
- Chronic Absenteeism (SY 2022-23)
- 18.2%
- Phone
- (909) 971-8270
- Area population (ZIP 91773)
- 33,917
- Area average commute
- 31.9 min
- Area median age
- 42.7
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- School directory (enrollment, grades, staff, contact)
- NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
- Source period: SY 2023–24. A newer release may be available.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Math proficiency
- State department of education · 2024 CAASPP · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: 2024 CAASPP. A newer release may be available.
- Derived from source records rather than read directly from one field.
- Reading/ELA proficiency
- State department of education · 2024 CAASPP · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: 2024 CAASPP. A newer release may be available.
- Derived from source records rather than read directly from one field.
- Student progress (growth)
- NCES EdFacts · Mixed source periods · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 91773; this does not measure the attendance area.
- Programs (AP/IB, athletics, gifted)
- CRDC via Urban Institute · SY 2021–22 · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: SY 2021–22. A newer release may be available.
Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2024; directory SY 2023–24
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