- Enrollment
- 2,158
- Students per teacher
- 19.3:1
- Resource Index
- 34/100
High school (grades 9-12) · Belmont, CA
Carlmont High
Federal NCES profile for Carlmont High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 39/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 063639006194
👥 S:T ratio 17
🌟 Gifted program 30
🎓 Counselors 41
📋 Attendance 69
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Carlmont High earns 39/100 on the Resource Investment Index, with class sizes near the California median. It is also one of the largest schools in California.
- #1 of 6
- public schools in Belmont · Resource Index
- 39
- Resource Index · Typical
- 20.7:1
- students per teacher
- 8.7%
- free-lunch eligible
Carlmont High has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Carlmont High ranks #1 of 6 public schools in Belmont, CA.
School address
District: Sequoia Union High · California
NCES ID 063639006194 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+38 students YoY
Carlmont High held near 2,360 students from 2022-23 to 2023-24 (+38 headcount).
Teacher FTE added 114.5 → 115.4 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+38 students YoY 063639006194 · Belmont, CA High · LARGE · TRAD
2,360 enr · 20.7:1 · 8.7% lunch · RII 39
Nearest enrollment peer: Menlo-Atherton High (2,158 students)
Carlmont High held near 2,360 students from 2022-23 to 2023-24 (+38 headcount). Teacher FTE added 114.5 → 115.4 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Carlmont High in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
Carlmont High
2,360 students
- Menlo-Atherton
Menlo-Atherton High
2,158 students
- Sequoia High
Sequoia High
1,854 students
- Woodside High
Woodside High
1,660 students
- Tide Academy 212
Tide Academy
212 students
- Redwood High 175
Redwood High
175 students
What this shows Carlmont High reports 2,360 students on the CCD universe file.
How Carlmont High compares
Carlmont High held steady on CCD headcount: ratios and free-lunch share vs California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 20.7:1 | ▼ 4% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 8.7% | ▼ 84% | 55.5% | 51.7% |
| Enrollment | 2,360 | top 2% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
20.7:1
Leaner classes than 14% of US schools, heavier class loads than most.
2,360
Bigger than 99% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
8.7%
free-lunch eligible
- 84% below the California average of 55.5%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
20.7:1
students per teacher
- 4% below state mean
Top 41% in California - lower ratio than 59% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
12.6%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$25,742
per pupil, district-wide
- above California avg of $18,665
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors8.0 FTE
Per 295 students, the combined health-and-guidance staffing load for this school.
Discipline context
22
in-school suspensions + 25 out-of-school
Suspension rate: 0.9 per 100 students. Combined in-school and out-of-school rate: 2.0 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 40.7%
Asian 33.1%
Hispanic or Latino 15.3%
Two or More 8.6%
African American 1.1%
American Indian / Alaska Native 0.7%
Native Hawaiian / Pacific Islander 0.5%
Largest group: White at 40.7% of enrollment.
Student-body diversity index 69.4/100
Simpson diversity index - at 69.4, Carlmont High is more mixed than the California school average of 46.0.
Programs
AP courses offered 20
District finance for Sequoia Union High reports $25,742 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Carlmont High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Menlo-Atherton High | Similar size | Higher economic need | Similar S:T ratio |
| Sequoia High | Similar size | Higher economic need | Lower S:T ratio |
| Woodside High | Smaller | Higher economic need | Lower S:T ratio |
| Tide Academy | Smaller | Higher economic need | Lower S:T ratio |
| Redwood High | Smaller | Higher economic need | Higher S:T ratio |
Comparisons are relative to Carlmont High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,854
- Students per teacher
- 17.3:1
- Resource Index
- 32/100
- Enrollment
- 1,660
- Students per teacher
- 15.7:1
- Resource Index
- 36/100
- Enrollment
- 212
- Students per teacher
- 10.6:1
- Resource Index
- 50/100
- Enrollment
- 175
- Students per teacher
- 25:1
- Resource Index
- 32/100
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~2,360 students)
Frequently asked questions about Carlmont High
How many students attend Carlmont High?
Carlmont High has 2,360 students enrolled. It is a high school in Belmont, CA. CCD year-over-year: 2,322 (2022-23) → 2,360 (2023-24), nearly flat (+38).
What is the student-teacher ratio at Carlmont High?
The student-teacher ratio at Carlmont High is 20.7:1, which is 4% lower than the California average of 21.5:1 and 32% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Carlmont High?
8.7% of students at Carlmont High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Carlmont High?
The largest demographic group at Carlmont High is White at 40.7% of enrollment, in Belmont, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 69.4/100.
What is the Resource Investment Index for Carlmont High?
Carlmont High has a Resource Investment Index of 39/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Carlmont High rank among public schools in Belmont?
By Resource Investment Index, Carlmont High ranks #1 of 6 public schools in Belmont, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Belmont on the city page.
What other schools are in Sequoia Union High?
Besides Carlmont High, Sequoia Union High also operates Menlo-Atherton High (2,158 students), Sequoia High (1,854 students), and Woodside High (1,660 students). See the Sequoia Union High district page for the complete list.