Average
#3978 of 9,539 schools in CA
Top 42% in state
Lorbeer Middle
Middle School · Pomona Unified · Diamond Bar, CA
A Pomona Unified middle school where students score 5 points above what's typical for similar communities.
501 Diamond Bar Blvd., Diamond Bar, CA 91765
- Math 28% vs CA 34% (2024)
- Reading 44% vs CA 47% (2024)
- 23.3:1 student-teacher ratio
Academics
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Students at Lorbeer Middle score 36% proficient, which is above what's typical for similar communities (expected: 31%).
2024 CAASPP proficiency
Most recent published year. School vs. CA average.
Trend
↓ DecliningProficiency has fallen 9 points since 2018, to 36% in 2024, across a 16-year record (2009–2024).
Show all 12 years
Multi-year averages used by the rating model: math 35% (multi-year average, 2009-2024) · reading/ELA 54% (multi-year average, 2009-2024)
Based on 28 test records from CA state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
76.3%
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 Lorbeer 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 64Somewhat Walkable
- Bike 28Somewhat Bikeable
- City Safety: High1,946/100K
Powered by
FBI Uniform Crime Reporting · 2024 · city context (Diamond Bar), 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
$104,737
Median home value
$878,900
Median rent
$2,395/mo
College educated
53.3%
Homeownership
77.2%
Poverty rate
10.1%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 91765; 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 |
|---|---|---|---|---|---|
| Guide AcademyPrivate · tuition | 5.9private | PK–9 | 0.8 mi | 38 | Compare → |
| Chaparral MiddleEnrollment path unverified | 8.4 | 6–8 | 1.6 mi | 1,204 | Compare → |
| Suzanne MiddleEnrollment path unverified | 6.8 | 6–8 | 2.5 mi | 1,172 | Compare → |
| Allais SchoolPrivate · tuition | 6.5private | 2–11 | 2.8 mi | 48 | 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.
Pomona Unified
- Schools in district
- 37
- Rank in district
- #12 of 36
- District spending per student
- $20,301NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 17.4%Census SAIPE · 2024
Lorbeer Middle is listed in Pomona Unified; a district label does not verify attendance for an address.
About Lorbeer Middle
Lorbeer Middle is a public middle school in Diamond Bar, CA, part of Pomona Unified, serving approximately 676 students in grades 7th-8th with a 23.3:1 student-teacher ratio. It holds a MySchoolScout rating of 6.8 out of 10 and ranks #3,978 of 9,539 schools in CA. State assessment records show 35% math proficiency (multi-year average, 2009-2024) and 54% reading/ELA proficiency (multi-year average, 2009-2024).
Frequently asked questions
Common questions about Lorbeer Middle
What grades does Lorbeer Middle serve?
Lorbeer Middle serves students in grades 7th through 8th.
How many students attend Lorbeer Middle?
Lorbeer Middle has an enrollment of approximately 676 students.
What is the student-teacher ratio at Lorbeer Middle?
The student-teacher ratio at Lorbeer Middle is 23.3:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Lorbeer Middle rank in CA?
Lorbeer Middle ranks #3,978 of 9,539 schools in CA.
What is Lorbeer Middle's MySchoolScout rating?
Lorbeer Middle has a current MySchoolScout rating of 6.8 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 Lorbeer Middle?
Based on loaded state assessment records, Lorbeer Middle has 35% math proficiency (multi-year average, 2009-2024) and 54% reading/ELA proficiency (multi-year average, 2009-2024).
Is Lorbeer Middle a charter school?
No, Lorbeer Middle is not a charter school. It is a traditional public school operated by the local school district.
Is Lorbeer Middle a Title I school?
No, Lorbeer Middle is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Lorbeer Middle?
76.3% of students at Lorbeer 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
- 7th – 8th
- Enrollment
- 676
- Student-Teacher Ratio
- 23.3:1
- Teachers (FTE)
- 29
- Type
- regular
- Setting
- Large Suburb
- County
- Los Angeles County
- Chronic Absenteeism (SY 2022-23)
- 27.7%
- Phone
- (909) 397-4527
- Area population (ZIP 91765)
- 44,779
- Area average commute
- 34 min
- Area median age
- 45.7
Official sources & links
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 91765; 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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