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Schools in 92821 — Brea, California: 92821 students aren't just reaching proficiency — many go beyond it.

92821 has 7 ranked schools in Brea, averaging a Scope Score of 53.9/100 — 12.8 points above the state average of 41.0 (a state average weighted to 92821's own mix of school levels; CDE CAASPP 2025). Scores range from 25.0 to 71.7, a 46.7-point spread. 2 schools rank in the 90th percentile or above statewide.

How 92821 schools perform

The top-ranked school is Olinda Elementary with a Scope Score of 72 and 54.3% of students exceeding standard.

Students here are going past the bar, not just to it. Schools here average 31.8% exceeding standard — well above the statewide average of 21.1%, itself weighted to 92821's own level mix.

Cohort growth among 92821's elementary schools — the returning cohort, 2023 G3 → 2025 G5 — averages +77 scale-score points across 6 schools in 92821 with a large enough tested cohort. Scale scores rise with grade for nearly every school, so this describes the cohort's trajectory, not a ranking against other zip codes — worth examining school by school.

Chronic absenteeism across 92821 averages 16.8%, near the state average of 18.6%, weighted to 92821's own level mix. CDE CAASPP 2025.

How 92821 compares to nearby zip codes

ZipCityMilesSchoolsAvg Scorevs 92821
92821Brea753.9/100
92835Fullerton2.1461.8/100+7.9
92831Fullerton2.9554.0/100+0.1
92870Placentia3.01455.7/100+1.9
90631La Habra3.51341.8/100-12.1
91748Rowland Heights4.2642.4/100-11.5

Source: CDE CAASPP 2025, analyzed by SchoolScope.

School archetypes in 92821

4 Strong All-Around1 High Ceiling1 Culture First1 Building Momentum1 not compared

Archetypes are data-driven labels based on Scope Score dimensions. Learn more

For the data nerds

All schools in 92821

ranked by Scope Score · 2024–25 CAASPP

Figures
Score range25.0 – 71.7
46.7 pts SchoolScope composite
Chronic absenteeismstate avg 18.6% (level-matched)

Elementary Schools (6)

avg 55.9/1006 ranked elementary schools4 Strong, 2 Solid
#SchoolExceededScore
1Olinda Elementary
Brea-Olinda Unified High Ceiling
54.3%Strong
72/100
2Mariposa Elementary
Brea-Olinda Unified Strong All-Around
44.0%Strong
65/100
3Falcon Academy of Science and Technology
Brea-Olinda Unified Strong All-Around
43.1%Strong
63/100
4Brea Country Hills Elementary
Brea-Olinda Unified Strong All-Around
36.0%Strong
58/100
5Laurel Elementary Magnet School of Innovation and
Brea-Olinda Unified Building Momentum
23.5%Solid
41/100
6Arovista Elementary
Brea-Olinda Unified Culture First
20.9%Solid
37/100

High Schools (2)

avg 47.7/1002 ranked high schools1 Strong, 1 Solid
#SchoolExceededScore
1Brea Olinda High
Brea-Olinda Unified Strong All-Around
32.3%Strong
70/100
2Brea Canyon High (Continuation)
Brea-Olinda Unified continuation high school
0.0%Solid
25/100 · 56th in class
Source: CDE CAASPP 2025 · 7 schools in 92821Methodology · Explore all schools

Schools in 92821 on the map

Data source: California Department of Education · CAASPP 2024-25 · Methodology

Scores are SchoolScope's analysis of public data, not official CDE ratings. They represent one way of interpreting test results and should not be the sole basis for school decisions.

What Scope Scores can't tell you about 92821

Numbers tell you whether students are clearing the bar. A school visit tells you whether they're happy doing it. These metrics are intentionally missing from the Scope Score: class sizes and student-teacher interaction quality; arts, music, athletics, and enrichment programs; teacher experience and turnover; campus safety and social-emotional support; parent and community engagement; quality of special education and gifted programs; how school zones and enrollment boundaries affect access. Full methodology

Frequently asked questions

Are the schools in 92821 (Brea) good?
92821 has 7 ranked schools in Brea, averaging a Scope Score of 53.9/100 — 12.8 points above the state average, a benchmark weighted to 92821's own mix of school levels. 31.8% of students exceed the state standard on average. Data source: California Department of Education CAASPP 2025, analyzed by SchoolScope.
What is the best school in 92821?
The highest-scoring school in zip code 92821 is Olinda Elementary with a Scope Score of 72/100 and 54.3% of students exceeding the state standard. See full methodology.
How do 92821 schools compare to the state average?
Schools in zip code 92821 average a Scope Score of 53.9/100 — 12.8 points above the state average of 41.0, a state average weighted to zip code 92821's own mix of school levels. The exceeded rate averages 31.8% vs. 21.1% statewide (also level-weighted).
How many schools are in zip code 92821?
Zip code 92821 has 7 ranked schools with Scope Scores. Schools are ranked using a weighted composite of CAASPP test performance, growth trajectory, chronic absenteeism, and suspension rate. Schools with insufficient testing data are not ranked.
What does the Scope Score measure?
The Scope Score is SchoolScope's composite rating (0–100), built from publicly available California school data across academic-performance and school-climate signals. Full methodology and weights.