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Excellent

#185 of 9,539 schools in CA

Top 2% in state

Carlmont High

High School · Sequoia Union High

1400 Alameda de Las Pulgas, Belmont, CA 94002

Enrollment

2,360

Student-Teacher

20.5:1

Score

9.2

Grades

9th – 12th

Data vintage2022-23

How this school compares

California schools

#185 of 9,539

In Belmont

#2 of 6

public schools

In district

#1 of 6

Sequoia Union High

Equity

9.6 / 10

Excellent

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Carlmont High

9.2/10

High School in Belmont · grades 9th – 12th. Start here, then compare fit against nearby and district options.

Tierra Linda Middle

8.9/10

0.2 mi away. Use as a geographic alternative in the same move search.

Mariposa

9.7/10

0.2 mi away. Use as a geographic alternative in the same move search.

About Carlmont High

Carlmont High is a public high school in Belmont, CA, part of Sequoia Union High. Carlmont High serves approximately 2,360 students, and covers grades 9th-12th, and has a 20.5:1 student-teacher ratio. Carlmont High has a current MySchoolScout rating of 9.2 out of 10 and ranks #185 of 9,539 schools in CA.

Structured state assessment records for Carlmont High show 73% math proficiency (multi-year average, 2009-2024) and 81% reading/ELA proficiency (multi-year average, 2009-2024).

How it compares1.6 pts above district
  • This school 9.2 · Excellent
  • District avg 7.6
  • CA avg 6.5

What Parents Should Know

Carlmont High is a large school: 2,360 students. Size usually brings more course choices and activities than a smaller school can staff, but kids can also blend into the crowd. Ask how the school keeps students known and supported.

Carlmont High runs 20.5:1 students to teachers, above the national average. That often means bigger classes. Ask how the school supports kids who need extra help, and whether there are teaching assistants or small-group time.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress9.5Excellent25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data12
Annual Change+0.24 pts/yr
Data Period2009–2024
TrendStable
Academics9.3Excellent25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency74% (2024 CAASPP)
Reading/ELA Proficiency87% (2024 CAASPP)
Math vs. State Avg+46 pts
Reading vs. State Avg+31.1 pts
Overall Proficiency80% (2024 CAASPP, Math+ELA)
Expected (poverty-adj.)69% (model expectation from 2024 CAASPP)
vs. Expected+11.0 pts
Adjusted Percentile90th
College Readiness8.7Excellent30%
Graduation rates, AP course participation, and IB availability.
View breakdown
4-Year Graduation Rate95%
AP Participation40%
IB ProgramNo
Resources & Environment9.6Excellent20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio20.5:1
Per-Pupil Spending$26,982
Chronic Absenteeism11.4%

Carlmont High — Students at Carlmont High score 80% proficient, which is above what's typical for similar communities (expected: 69%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

8.8%

Students qualifying for federal meal assistance

Test Scores CA CAASPP (2023-24)

Math Proficiency 73.0% (multi-year average, 2009-2024)
School
State
31.8% (2024 CAASPP)
ELA Proficiency 80.8% (multi-year average, 2009-2024)
School
State
51.5% (2024 CAASPP)

Based on 26 test records from CA state assessments. About our data

Proficiency Trend

→ Stable

Average proficiency (% at or above grade level) across Math & ELA over time.

2009
Math
76%
ELA
70%
2010
Math
74%
ELA
78%
2011
Math
79%
ELA
77%
2012
Math
83%
ELA
83%
2013
Math
83%
ELA
80%
2014
Math
63%
ELA
81%
2015
Math
58%
ELA
68%
2016
Math
68%
ELA
85%
2017
Math
71%
ELA
84%
2018
Math
73%
ELA
85%
2019
Math
73%
ELA
85%
2024
Math
74%
ELA
87%

Source: EdFacts (NCES) and state assessment data. Growth score: 9.5/10.

How Carlmont High Compares

See how Carlmont High performs across key quality dimensions compared to state benchmarks.

Overall Score
9.2/10
98th percentile in CA
Academic
9.3/10
Excellent
Growth
9.5/10
Excellent
Environment
9.6/10
Excellent
AP Courses
3
State avg: 2.6
Sports
28
14 boys' · 14 girls'
Advanced STEM
5/5
Subjects offered

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
9%
Teaching Staff
21:1 student-teacher ratio
115 teachers
Chronic Absenteeism
Students missing 15+ days per year (SY 2022-23)
11.4%

Programs & Offerings

AP/IB Programs3 AP courses offered
40% participation·State avg: 2.6 AP courses·CRDC 2021-22
Athletics28sports offered
14 boys'·14 girls'·51 teams (incl. JV)·CRDC 2021-22
Advanced STEM Courses5 of 5 advanced subjects offered
Algebra II, Advanced Math, Calculus, Chemistry, Physics·CRDC 2021-22

Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more

Location

1400 Alameda de Las Pulgas, Belmont, CA 94002

Nearby Alternatives

Families considering Carlmont High may also want to explore other high schools in the area. Mariposa (rated 9.7/10, 0.2 miles away, in nearby San Carlos), which scores slightly higher. Another option is Arundel Elementary (rated 9.4/10, 0.8 miles away, in nearby San Carlos), with a very similar rating. Additionally, San Carlos Charter Learning Center (rated 9.2/10, 0.3 miles away, in nearby San Carlos), with a very similar rating. For more schools in Belmont, see our Belmont schools guide .

Nearby Schools

20 within 1.4 mi
School Distance Rating
Tierra Linda Middle San Carlos 0.2 mi 8.9
Mariposa San Carlos 0.2 mi 9.7
San Carlos Charter Learning Center San Carlos 0.3 mi 9.2
Charles Armstrong School Belmont 0.4 mi
CHARLES ARMSTRONG SCHOOL Belmont 0.4 mi 7.6
IMMACULATE HEART OF MARY SCHOOL Belmont 0.6 mi 7.8
NOTRE DAME HIGH SCHOOL Belmont 0.7 mi 5.6
BELMONT OAKS ACADEMY Belmont 0.6 mi 6.6
Belmont Oaks Academy Belmont 0.7 mi
NOTRE DAME ELEMENTARY SCHOOL Belmont 0.9 mi 7.2
Arundel Elementary San Carlos 0.8 mi 9.4
Heather Elementary San Carlos 1.2 mi 8.4
Central Elementary Belmont 1.3 mi 8.8
Serendipity School Belmont 1.2 mi
SERENDIPITY SCHOOL Belmont 1.2 mi 8.3
Cipriani Elementary Belmont 1.2 mi 8.3
Crystal Springs Uplands School-Middle School Campus Belmont 1.2 mi
ST CHARLES SCHOOL San Carlos 1.3 mi 5.2
Nesbit Elementary Belmont 1.5 mi 7.4
Ralston Intermediate Belmont 1.4 mi 9.2

Neighborhood Census ACS (2019-2023)

Census data for ZIP 94002 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$204,573

Median Home Value

$2,000,001

Median Rent

$2,889/mo

Population

27,730

College Educated

68.6%

Homeownership

56.2%

Avg Commute

29.4 min

Poverty Rate

6.6%

Median Age

40.4

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Henry M. Gunn High Palo Alto, CA 9.2
Berkeley High Berkeley, CA 9.1
Jurupa Hills High Fontana, CA 9.1
Monta Vista High Cupertino, CA 9.1
Cupertino High Cupertino, CA 9.3
Mountain View High Mountain View, CA 9.3

Frequently Asked Questions

Common questions about Carlmont High

What grades does Carlmont High serve?

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

How many students attend Carlmont High?

Carlmont High has an enrollment of approximately 2,360 students.

What is the student-teacher ratio at Carlmont High?

The student-teacher ratio at Carlmont High is 20.5:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Carlmont High rank in CA?

Carlmont High ranks #185 of 9,539 schools in CA.

What is Carlmont High's MySchoolScout rating?

Carlmont High has a current MySchoolScout rating of 9.2 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 Carlmont High?

Based on loaded state assessment records, Carlmont High has 73% math proficiency (multi-year average, 2009-2024) and 81% reading/ELA proficiency (multi-year average, 2009-2024).

Is Carlmont High a charter school?

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

Is Carlmont High a Title I school?

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

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

8.8% of students at Carlmont 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.

11 schools nearby View map →

Neighborhood Context

Walk Score
58 Somewhat Walkable
Bike Score
27 Somewhat Bikeable

Powered by Walk Score

Quick Facts NCES CCD (SY 2022-23)

Grades
9th – 12th
Enrollment
2,360
Student-Teacher Ratio
20.5:1
Teachers (FTE)
115
Free/Reduced Lunch
8.8%
Type
regular
Setting
Large Suburb
County
San Mateo County
Chronic Absenteeism (SY 2022-23)
11.4%
4-Year Graduation
95.0%

District

Sequoia Union High
District Enrollment
8,553
Schools in District
6
Per-Pupil Spending
$26,982
District Rank
#1 of 6

How we rate schools

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