How does Fullerton Union High compare to other high schools in Fullerton?

Fullerton Union High has a SchoolScope composite score of 64.0/100, placing it at the 83rd percentile statewide. 24% of students exceed standard, with a total of 858 students tested across grades and subjects.

What percentage of students exceed standards at Fullerton Union High?

24.5% of students at Fullerton Union High exceed the state standard on CAASPP assessments, while 50.1% meet or exceed it. The gap between these two numbers reveals whether the school pushes students beyond basic proficiency.

What is the chronic absenteeism rate at Fullerton Union High?

17.9% of students at Fullerton Union High are chronically absent (missing 10% or more of school days). This metric reflects school culture and family engagement, and is weighted at 15% in our composite score.

Fullerton Union High

High School

Fullerton Joint Union High FullertonOrange County92832

Composite Score

out of 100

State Percentile

of high schools

State Rank

of California high schools

School overview

Enrollment

1,848 students

Student-Teacher Ratio

25:1

Free/Reduced Lunch

61%

Teachers

73 full-time

College & career readiness

Graduation Rate

93.9%

AP Exam Prepared

71.4%

A-G Completion

44.1%

College-Going Rate

81.9%

Data source: California Department of Education — ACGR, CCI, CGR reports

Dashboard indicators

ELA Year-over-Year

Declined

-7.5 pts DFS change

Math Year-over-Year

Increased

+12.9 pts DFS change

EL Proficiency (ELPAC)

29.6%

English learners at Level 4 (Well Developed) · 196 tested

Data source: California School Dashboard 2025, ELPAC 2024

Student demographics

Hispanic67.5%

White17.3%

Asian5.6%

Black1.4%

Other8.2%

Performance breakdown

Performance breakdown for Fullerton Union High
Category	Percentage
Exceeded Standard	24.5%
Met Standard	25.6%
Below Standard	49.9%

What other rankings don't show you

Most rating sites report "50% proficient" for Fullerton Union High and stop there. Here's what that number hides:

24.5% of students exceeded standard while 25.6% merely met it. That exceeded rate is 9.0 points above the state average of 15.5%. That's near the Fullerton Joint Union High district average of 25.6%. The 4 nearby schools within ~3 miles average 33.1% exceeded — 8.7 points higher. The gap between "met" and "exceeded" is the difference between a school that clears the bar and one that raises it.

The graduation rate is 93.9% — above the state target. 44.1% of students complete A-G requirements for UC/CSU eligibility. 81.9% of graduates go on to college within a year.

Chronic absenteeism is 17.9%, better than the state average of 34.0%.

Why the exceeded vs. met split matters →