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SCHOOL COMMUNITY·POMONA UNIFIED·NCES 063132004851

Lorbeer Middle

501 Diamond Bar Blvd., Diamond Bar, CA 91765 · (909) 397-4527 · Los Angeles County
GRADES 07–08MIDDLE21-SUBURBTITLE IREGULAR SCHOOL688 STUDENTS
Enrollment
688
Middle
DISTRICT 545 · STATE 659
Student : Teacher
24.1:1
29 FTE teachers
DISTRICT 20.8:1 · STATE 20.7:1
Free / Reduced Lunch
74%
511 students
DISTRICT 87% · STATE 65%
Community
2
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 7
352
Grade 8
336
Student demographics
White
325%
DISTRICT 3% · STATE 20%
Hispanic
50573%
DISTRICT 84% · STATE 56%
Black
254%
DISTRICT 4% · STATE 5%
Asian
9013%
DISTRICT 6% · STATE 12%
Two+
335%
DISTRICT 2% · STATE 6%
Native American
20%
DISTRICT 0% · STATE 0%
Pacific Islander
10%
DISTRICT 0% · STATE 0%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
34250%
Female
34650%

Discussions

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Test scores

CAASPP 2023-24 . % met or exceeded standard
English Language Arts
44.2%
CA avg 47.1% . -2.8pp since 2014
Math
27.9%
CA avg 35.6% . -4.1pp since 2014
Source: CAASPP. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
36.0%
composite math + reading, all grades
Predicted
35.3%
based on CA schools with similar FRL share
Beats by
+0.7pp
above demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
688
-9 (-1%) vs 2017
Student : Teacher
24.1:1
was 22.5:1
% White
5%
was 9%
% Hispanic
73%
was 68%
% Black
4%
was 8%
% Asian
13%
was 11%
Source: NCES Common Core of Data

About Lorbeer Middle

As a middle-of-the-pack 6-8 campus in Diamond Bar, California, Lorbeer Middle teaches 688 students from grades 7 through 8, run under Pomona Unified.

Within Pomona Unified, which oversees 37 schools and 20,422 students, Lorbeer Middle is one campus in the system.

For racial and ethnic makeup, Lorbeer Middle reports that 73% of the student body identifies as Hispanic. The remainder is composed of 13% Asian, 5% multiracial, 5% White, 4% Black. The wider county runs roughly 48% Hispanic, putting the school's mix considerably more Hispanic than the area baseline.

Looking at school resources, Staff filings list 29 full-time-equivalent teachers, which works out to roughly 24.1:1 students per teacher. The state averages around 20.7:1, so this campus is higher than the state norm typical. About 74% of enrolled students meet the income threshold for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal.

Adjusting for the school's free-and-reduced-lunch share, Lorbeer Middle sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 35.3%; this one delivers 36.0%.

Zooming out to the county, Los Angeles County reports that median household earnings sit near $90,112, roughly 36% of adults have completed at least a four-year degree, and roughly 10% of residents live below the federal poverty line. Across Los Angeles County's 2244 public schools (combined enrollment of about 1,265,907 students), Lorbeer Middle is one campus in the mix.

Armstrong Elementary is the nearest neighboring public school, about 0.6 miles from this campus. Within five miles, there are 8 other public schools. Ranking that nearby cluster on reported proficiency puts Lorbeer Middle at 9th of 9; the average score across the group is 63.8%.

Geographically, the school is in a suburban area.

Trend over the last 7 years. Over the past 7-year window, the student count stayed largely flat: 697 students in 2018 compared to 688 in 2025. Over the same period, the Hispanic share grew from 68% to 73%. Class-load math has loosened: from 22.5:1 in 2018 to 24.1:1 in 2025.

On this page, the page collects discussion, questions, and updates around fundraisers, lost-and-found posts, and report-card season. Posting is open to anyone connected to the school.

Los Angeles County at a glance

View full county profile
Population
9,808,667
Census ACS
Median income
$90,112
Household, ACS
Bachelor's+
36%
Adults 25+
Poverty rate
10%
Below federal line
Schools in county
2,244
1,265,907 students

Quick facts

School name
Lorbeer Middle
District
Pomona Unified
Address
501 Diamond Bar Blvd., Diamond Bar, CA 91765
Phone
(909) 397-4527
County
Los Angeles County
Level
Middle
Grade range
07–08
Total enrollment
688
Teachers (FTE)
29
Student–teacher ratio
24.1:1
Free/Reduced lunch
511 (74%)
Locale
21-Suburb: Large
NCES ID
063132004851
Charter school
No
Virtual school
No

Related schools

Other schools in Pomona Unified
Other schools in Diamond Bar
Nearby schools

Frequently asked questions

About Lorbeer Middle
How large is Lorbeer Middle?
Lorbeer Middle enrolls approximately 688 students in grades 07-08.
What age range does Lorbeer Middle serve?
Lorbeer Middle serves students from grade 07 through grade 08.
How many students per teacher at Lorbeer Middle?
Approximately 24.1:1 students per teacher at Lorbeer Middle.
What is the racial breakdown of students at Lorbeer Middle?
At Lorbeer Middle, the student body is approximately 5% White, 73% Hispanic, 4% Black, 13% Asian, 5% Two or more.
What district is Lorbeer Middle in?
Lorbeer Middle is part of Pomona Unified.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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