Carlmont High School is a public high school in Belmont, California, United States serving grades 9–12 as part of the Sequoia Union High School District. Carlmont is a California Distinguished School.
Serving 2,360 students in grades 9-12, Carlmont High School ranks in the top 5% of all schools in California for overall test scores (math proficiency is top 5%, and reading proficiency is top 5%).
The percentage of students achieving proficiency in math is 75% (which is higher than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 88% (which is higher than the California state average of 47%).
The student-teacher ratio of 20:1 is lower than the California state level of 21:1.
Minority enrollment is 59% of the student body (majority Asian), which is lower than the California state average of 80% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 2,360 students
- Student-Teacher Ratio: 20:1
- Minority Enrollment: 59%
- Graduation Rate: 98% (Top 5% in CA)
- Overall Testing Rank: Top 5%
- Math Proficiency: 75% (Top 5%)
- Reading Proficiency: 88% (Top 1%)
- Science Proficiency: 71% (Top 5%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Carlmont High School ranks among the top 20% of public schools in California for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
Graduation Rate
Diversity
School Overview
Carlmont High School's student population of 2,360 students has stayed relatively flat over five school years.
The teacher population of 120 teachers has grown by 11% over five school years.
Grades Offered
Grades 9-12
Total Students
2,360 students
Total Classroom Teachers
120 teachers
Year Founded
1952
Colors
Blue and Grey
School Calendar
Campus Size
42 acres (17 ha)
School Motto
Our mission is to provide a supportive learning environment that allows all students to achieve success in academics and careers.
School Rankings
Carlmont High School ranks within the top 5% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Carlmont High School is 0.70, which is more 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
#230 out of 9523 schools
(Top 5%)
(Top 5%)
Math Test Scores (% Proficient)
75%
34%
Reading/Language Arts Test Scores (% Proficient)
88%
47%
Science Test Scores (% Proficient)
71%
29%
Student-Teacher Ratio
20:1
21:1
American Indian
1%
1%
Asian
33%
12%
Hispanic
15%
56%
Black
1%
5%
White
41%
20%
Hawaiian
n/a
n/a
Two or more races
9%
6%
All Ethnic Groups
Graduation Rate
98%
87%
Eligible for Free Lunch
9%
54%
Eligible for Reduced Lunch
1%
8%
School Statewide Testing
School District Name
Sequoia Union High School District
Source: National Center for Education Statistics (NCES), CA Dept. of Education
School Notes
- School Mascot: Monty
Frequently Asked Questions
What is Carlmont High School's ranking?
Carlmont High School is ranked #230 out of 9,523 schools, which ranks it among the top 5% of public schools in California.
What schools are Carlmont High School often compared to?
Carlmont High Schoolis often viewed alongside schools like Sequoia High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
75% of students have achieved math proficiency (compared to the 34% CA state average), while 88% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of Carlmont High School?
The graduation rate of Carlmont High School is 98%, which is higher than the California state average of 87%.
How many students attend Carlmont High School?
2,360 students attend Carlmont High School.
What is the racial composition of the student body?
41% of Carlmont High School students are White, 33% of students are Asian, 15% of students are Hispanic, 9% of students are Two or more races, 1% of students are American Indian, and 1% of students are Black.
What is the student-teacher ratio of Carlmont High School?
Carlmont High School has a student ration of 20:1, which is lower than the California state average of 21:1.
What grades does Carlmont High School offer ?
Carlmont High School offers enrollment in grades 9-12
What school district is Carlmont High School part of?
Carlmont High School is part of Sequoia Union High School District.
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