Serving 2,515 students in grades 9-12, Montclair High School ranks in the top 50% of all schools in California for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 31% (which is lower than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 62% (which is higher than the California state average of 47%).
The student-teacher ratio of 24:1 is higher than the California state level of 21:1.
Minority enrollment is 96% of the student body (majority Hispanic), which is higher than the California state average of 80% (majority Hispanic).
Quick Facts (26-27)
- Grades: 9-12
- Enrollment: 2,515 students
- Student-Teacher Ratio: 24:1
- Minority Enrollment: 96%
- Graduation Rate: 87% (Top 50% in CA)
- Overall Testing Rank: Top 50%
- Math Proficiency: 31% (Top 50%)
- Reading Proficiency: 62% (Top 30%)
- Science Proficiency: 22% (Btm 50%)
- Attendance Zone: Montclair High serves the southwest part of Montclair, CA, covering an area of approximately 7.7 square miles. Most students live within a 5-10 minute drive from the school, with the farthest edge of the attendance zone located about 2.7 miles away.
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Montclair High School ranks among the top 20% of public schools in California for:
Category
Attribute
Most improved public schools
School Overview
Montclair High School's student population of 2,515 students has declined by 13% over five school years.
The teacher population of 107 teachers has declined by 6% over five school years.
Grades Offered
Grades 9-12
Total Students
2,515 students
Showing 2015–2025. Full 39-year historical data available below ↓
Total Classroom Teachers
107 teachers
Showing 2014–2025. Full 39-year historical data available below ↓
Year Founded
1960
School Calendar
School Motto
To provide student learning, and ultimately their achievement, of the prescribed curriculum that takes place in the classroom under the direction of the teacher.
School Rankings
Montclair High School ranks within the top 50% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Montclair High School is 0.22, which is less than the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#3088 out of 9523 schools
(Top 50%)
(Top 50%)
Showing 2013–2023. Full 14-year historical data available below ↓
Math Test Scores (% Proficient)
31%
34%
Showing 2013–2023. Full 14-year historical data available below ↓
Reading/Language Arts Test Scores (% Proficient)
62%
47%
Showing 2012–2022. Full 13-year historical data available below ↓
Science Test Scores (% Proficient)
22%
29%
Student-Teacher Ratio
24:1
21:1
Showing 2014–2025. Full 39-year historical data available below ↓
American Indian
1%
1%
Showing 1996–2025. Full 38-year historical data available below ↓
Asian
4%
12%
Showing 2015–2025. Full 38-year historical data available below ↓
Hispanic
88%
56%
Showing 2015–2025. Full 38-year historical data available below ↓
Black
2%
5%
Showing 2015–2025. Full 38-year historical data available below ↓
White
4%
20%
Showing 2015–2025. Full 38-year historical data available below ↓
Two or more races
1%
6%
Showing 2015–2025. Full 17-year historical data available below ↓
All Ethnic Groups
Showing 2015–2025. Full 38-year historical data available below ↓
Graduation Rate
87%
86.2%
Showing 2014–2023. Full 13-year historical data available below ↓
Chronically Absent Students
(22-23)28.6%
27.7%
Eligible for Free Lunch
68%
54%
Showing 2015–2025. Full 34-year historical data available below ↓
Eligible for Reduced Lunch
15%
8%
Showing 2015–2025. Full 27-year historical data available below ↓
School Statewide Testing
School District Name
Sports
Colors
Columbia Blue and Black
School Mascot
Cavalier
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is Montclair High School's ranking?
Montclair High School is ranked #3088 out of 9,523 schools, which ranks it among the top 50% of public schools in California.
What schools are Montclair High School often compared to?
Montclair High Schoolis often viewed alongside schools like Chino Hills High School, Ruben S. Ayala High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
31% of students have achieved math proficiency (compared to the 34% CA state average), while 62% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of Montclair High School?
The graduation rate of Montclair High School is 87%, which is higher than the California state average of 86.2%.
How many students attend Montclair High School?
2,515 students attend Montclair High School.
What is the racial composition of the student body?
88% of Montclair High School students are Hispanic, 4% of students are Asian, 4% of students are White, 2% of students are Black, 1% of students are American Indian, and 1% of students are Two or more races.
What is the student-teacher ratio of Montclair High School?
Montclair High School has a student ration of 24:1, which is higher than the California state average of 21:1.
What grades does Montclair High School offer ?
Montclair High School offers enrollment in grades 9-12
What school district is Montclair High School part of?
Montclair High School is part of Chaffey Joint Union High School District.
School Reviews
5 10/10/2025
Very good.
Review Montclair High School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles
When a Public School Cancels a Course Your Child Needs
Learn what parents can do when public schools cancel essential courses, including protecting graduation credits, finding approved alternatives, requesting substitutions, and preventing disruptions to college or career plans before deadlines.
Verify School Assignment Before Buying a House
Before buying a house, learn how to verify your child's assigned public school, check conflicting property listings, confirm enrollment eligibility, and avoid costly school assignment surprises before closing on a property.
School Bus Commute Times: What Parents Should Know
Discover how long school bus commutes really take, why routes vary, and what parents should ask about pickup times, student fatigue, transportation reliability, and daily schedules before choosing schools.
