Lorbeer Middle
Diamond Bar, CA · Pomona Unified
Regular public school · Grades 7-8 · Suburb, large
584th of 1,294 California middle schools statewide · better than 55%· Stable
501 Diamond Bar Blvd., Diamond Bar, CA 91765
(909) 397-4527Official website ↗NCES ID 063132004851Directory 2023–24
SchoolRow ranks Lorbeer Middle 584th of 1,294 California middle schools for 2024–25, based on CAASPP 2024–25 English and Math results — better than 55% of middle schools statewide. Its statewide percentile went from 59th in 2015 to 55th in 2025.
Percent meeting or exceeding the state standard, CAASPP 2024–25 · 667 students tested
Racial and ethnic breakdown of 676 students (2023–24, NCES) — history since 1987, with comparable seven-category changes from 2010
| Group | Trend | 2010 | 2023 | Change |
|---|---|---|---|---|
| Hispanic | 52.6% | 75.3% | ▲ 22.7 pts | |
| Asian | 16.9% | 10.7% | ▼ 6.2 pts | |
| Two or more races | 3.4% | 4.9% | ▲ 1.5 pts | |
| Black | 10.6% | 4.4% | ▼ 6.2 pts | |
| White | 16.1% | 4.3% | ▼ 11.8 pts |
NCES history for this school begins in 1987. Race categories changed by 2010: earlier data combines Asian and Pacific Islander students and does not consistently identify multiracial students. The chart retains that history, while the change table uses 2010 onward.
Typical home value $1.03M in zip 91765 as of 2026-05 · trend since 2000
Data Provided by Zillow Group
Closest same-level schools, with 2024–25 state rank · ▲▼ = points better or worse than Lorbeer Middle
- #142Suzanne MiddleWalnut Valley Unified · 2.2 mi away142nd of 1,294
ELA 73% ▲26 · Math 64% ▲33Compare - #30Chaparral MiddleWalnut Valley Unified · 2.3 mi away30th of 1,294
ELA 83% ▲36 · Math 80% ▲49Compare - #834Marshall MiddlePomona Unified · 2.9 mi away834th of 1,294
ELA 42% ▼5 · Math 17% ▼14Compare - #41South Pointe MiddleWalnut Valley Unified · 3.5 mi away41st of 1,294
ELA 80% ▲33 · Math 79% ▲48Compare - #127Canyon Hills Junior HighChino Valley Unified · 3.9 mi away127th of 1,294
ELA 76% ▲29 · Math 64% ▲33Compare - #1060Simons MiddlePomona Unified · 4.2 mi away1,060th of 1,294
ELA 28% ▼19 · Math 17% ▼14Compare - #417Royal Oak MiddleCharter Oak Unified · 4.9 mi away417th of 1,294
ELA 52% ▲5 · Math 42% ▲11Compare - #211Lone Hill MiddleBonita Unified · 4.9 mi away211th of 1,294
ELA 71% ▲24 · Math 54% ▲23Compare
What school district is Lorbeer Middle in?
Lorbeer Middle is part of the Pomona Unified district in Diamond Bar, California.
Is Lorbeer Middle a good school?
SchoolRow ranks Lorbeer Middle 584th of 1,294 California middle schools (better than 55% statewide) based on 2024–25 test results (CAASPP 2024–25).
What is the racial makeup of Lorbeer Middle?
Hispanic 75%, Asian 11%, Two or more races 5%, Black 4% (676 students, 2023–24).
How much do homes near Lorbeer Middle cost?
The typical home value in zip code 91765 is $1.03M as of 2026-05 (Zillow ZHVI).
Sources: state education department data (CAASPP 2024–25, low-income, chronic absenteeism), National Center for Education Statistics via the Urban Institute (enrollment, demographics, staffing), Zillow Group (home values). Rankings are computed by SchoolRow from state English and Math results within grade level; they measure test performance, not everything that makes a school good.