How does Montclair High compare to other high schools in Montclair?

Montclair High has a SchoolScope composite score of 53.6/100, placing it at the 58th percentile statewide. 22% of students exceed standard, with a total of 1,275 students tested across grades and subjects.

What percentage of students exceed standards at Montclair High?

21.9% of students at Montclair High exceed the state standard on CAASPP assessments, while 49.7% 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 Montclair High?

34.4% of students at Montclair 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.

Montclair High

High School

Chaffey Joint Union High MontclairSan Bernardino County91763

Composite Score

out of 100

State Percentile

of high schools

State Rank

of California high schools

School overview

Enrollment

2,605 students

Student-Teacher Ratio

24:1

Free/Reduced Lunch

90%

Teachers

110 full-time

College & career readiness

Graduation Rate

92.5%

AP Exam Prepared

37.9%

A-G Completion

63.8%

College-Going Rate

64.2%

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

Dashboard indicators

ELA Year-over-Year

Increased Significantly

+17.7 pts DFS change

Math Year-over-Year

Maintained

+2.1 pts DFS change

EL Proficiency (ELPAC)

12.2%

English learners at Level 4 (Well Developed) · 279 tested

Data source: California School Dashboard 2025, ELPAC 2024

Student demographics

Hispanic88.0%

White3.8%

Asian3.3%

Black1.7%

Other3.1%

Performance breakdown

Performance breakdown for Montclair High
Category	Percentage
Exceeded Standard	21.9%
Met Standard	27.8%
Below Standard	50.3%

What other rankings don't show you

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

21.9% of students exceeded standard while 27.8% merely met it. That exceeded rate is 6.4 points above the state average of 15.5%. That's 3.0 points below the Chaffey Joint Union High district average of 24.9%. Compared to the 6 nearby schools within ~3 miles, this exceeded rate is 6.3 points higher (vs 15.6% average). 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 92.5% — above the state target. 63.8% of students complete A-G requirements for UC/CSU eligibility — a strong college readiness signal. 64.2% of graduates go on to college within a year.

Chronic absenteeism is 34.4%, above the state average of 34.0%.

Why the exceeded vs. met split matters →