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Very Good

#3065 of 9,539 schools in CA

Top 32% in state

Montclair High

High School · Chaffey Joint Union High · Montclair, CA

A Chaffey Joint Union High high school where students score 20 points above what's typical for similar communities.

4725 Benito St., Montclair, CA 91763

  • Math 25% vs CA 32% (2024)
  • Reading 63% vs CA 52% (2024)
  • 89.0% 4-year graduation

Academics

Full Profile · 4/4 metrics
Student Progress9.3Excellent25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data14
Annual Change-0.01 pts/yr
Data Period2009–2024
TrendStable
Academics8.5Excellent25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency24.8% (2024 CAASPP)
Reading/ELA Proficiency63.4% (2024 CAASPP)
Math vs. State Avg-3.2 pts
Reading vs. State Avg+7.5 pts
Overall Proficiency44% (2024 CAASPP, Math+ELA)
Expected (poverty-adj.)24% (model expectation from 2024 CAASPP)
vs. Expected+20.4 pts
Adjusted Percentile76th
College Readiness5.9Average30%
Graduation rates, AP course participation, and IB availability.
View breakdown
4-Year Graduation Rate89%
AP Participation17.7%
IB ProgramNo
Resources & Environment4.8Below Average20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio23.7:1
District spending per student$16,769
Chronic Absenteeism27.6%

Students at Montclair High score 44% proficient, which is above what's typical for similar communities (expected: 24%).

How we calculate scores →

2024 CAASPP proficiency

Most recent published year. School vs. CA average.

Math Proficiency25%(2024 CAASPP)
School
State
32%(2024 CAASPP)
ELA Proficiency63%(2024 CAASPP)
School
State
52%(2024 CAASPP)

Trend

↓ Declining

Proficiency has fallen 5 points since 2019, to 44% in 2024, across a 16-year record (2009–2024).

Show all 14 years
2009
Math
47%
ELA
40%
2010
Math
49%
ELA
51%
2011
Math
55%
ELA
43%
2012
Math
55%
ELA
48%
2013
Math
61%
ELA
48%
2014
Math
21%
ELA
55%
2015
Math
34%
ELA
61%
2016
Math
36%
ELA
67%
2017
Math
33%
ELA
63%
2018
Math
35%
ELA
64%
2019
Math
35%
ELA
64%
2020*
Math
38%
ELA
65%
2021*
Math
38%
ELA
65%
2024
Math
25%
ELA
63%

Multi-year averages used by the rating model: math 39% (multi-year average, 2009-2024) · reading/ELA 57% (multi-year average, 2009-2024)

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Based on 30 test records from CA state assessments and EdFacts (NCES).

Equity & diversity

Shown separately, not included in the overall score

Free/reduced lunch

89.9%

Students qualifying for federal meal assistance

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

See how we rate

The neighborhood

Where Montclair High sits, and what the surrounding area looks like.

Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries.

Getting around & local context

  • Walk 37Car-Dependent
  • Transit 33Some Transit
  • Bike 39Somewhat Bikeable
  • City Safety: High4,341/100K

Powered byWalk Score

FBI Uniform Crime Reporting · 2024 · city context (Montclair), not school-level safety or attendance eligibility. Source details

Source period: 2024. Freshness not available.

Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)

Median income

$77,627

Median home value

$550,000

Median rent

$1,767/mo

College educated

18%

Homeownership

54.9%

Poverty rate

16.5%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 91763; this is area context, not an attendance boundary.

Programs & students

Programs & Offerings

AP/IB Programs2AP courses offered
17.7% participation·State avg: 2.6 AP courses·CRDC via Urban Institute · SY 2021–22
Athletics6sports offered
6 boys'·0 girls'·9 teams (incl. JV)·CRDC via Urban Institute · SY 2021–22
Advanced STEM Courses5of 5 advanced subjects offered
Algebra II, Advanced Math, Calculus, Chemistry, Physics·CRDC via Urban Institute · SY 2021–22
Gifted & Talented ProgramAvailable
This school offers a gifted and talented program for qualifying students.·CRDC via Urban Institute · SY 2021–22

Compare nearby

Nearby same-level schools

4 from a 5-mile search; district fallback available

SchoolScoreGradesDistanceEnrollmentCompare
San Antonio High (continuation)Enrollment path unverified5.010–121.1 mi71Compare →
Park West High (continuation)Enrollment path unverified6.49–121.4 mi219Compare →
Pomona AlternativeEnrollment path unverifiedNot ratedK–121.4 mi6Compare →
Village Academy High School at Indian HillEnrollment path unverified8.59–121.5 mi302Compare →

Distance is proximity only; it is not attendance eligibility.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

Chaffey Joint Union High

Schools in district
11
Rank in district
#5 of 10
District spending per student
$16,769NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
12.1%Census SAIPE · 2024

Montclair High is listed in Chaffey Joint Union High; a district label does not verify attendance for an address.

About Montclair High

Montclair High is a public high school in Montclair, CA, part of Chaffey Joint Union High, serving approximately 2,605 students in grades 9th-12th with a 23.7:1 student-teacher ratio. It holds a MySchoolScout rating of 7.2 out of 10 and ranks #3,065 of 9,539 schools in CA. State assessment records show 39% math proficiency (multi-year average, 2009-2024) and 57% reading/ELA proficiency (multi-year average, 2009-2024).

Frequently asked questions

Common questions about Montclair High

What grades does Montclair High serve?

Montclair High serves students in grades 9th through 12th.

How many students attend Montclair High?

Montclair High has an enrollment of approximately 2,605 students.

What is the student-teacher ratio at Montclair High?

The student-teacher ratio at Montclair High is 23.7:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Montclair High rank in CA?

Montclair High ranks #3,065 of 9,539 schools in CA.

What is Montclair High's MySchoolScout rating?

Montclair High has a current MySchoolScout rating of 7.2 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Montclair High?

Based on loaded state assessment records, Montclair High has 39% math proficiency (multi-year average, 2009-2024) and 57% reading/ELA proficiency (multi-year average, 2009-2024).

Is Montclair High a charter school?

No, Montclair High is not a charter school. It is a traditional public school operated by the local school district.

Is Montclair High a Title I school?

No, Montclair High is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Montclair High?

89.9% of students at Montclair High qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

School factsNCES Common Core of Data (CCD) (SY 2023–24)

Grades
9th – 12th
Enrollment
2,605
Student-Teacher Ratio
23.7:1
Teachers (FTE)
110
Type
regular
Setting
Large Suburb
County
San Bernardino County
Chronic Absenteeism (SY 2022-23)
27.6%
4-Year Graduation
89.0%
Area population (ZIP 91763)
37,515
Area average commute
30.5 min
Area median age
33.3
About this school's data

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2024 CAASPP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2024 CAASPP. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2024 CAASPP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2024 CAASPP. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
NCES EdFacts · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 91763; this does not measure the attendance area.
Programs (AP/IB, athletics, gifted)
CRDC via Urban Institute · SY 2021–22 · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: SY 2021–22. A newer release may be available.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2024; directory SY 2023–24

About our data · How we calculate scores

Related reading

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