Enrollment
320
California · 2024-25 NCES data
Elementary school (grades K-5) · San Carlos, CA
Federal NCES profile for Heather Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 35/100.
The verdict
Heather Elementary earns 35/100 on the Resource Investment Index, with class sizes smaller than 74% of California schools. It is also more racially and ethnically mixed than most California schools.
Heather Elementary has class sizes smaller than 74% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Heather Elementary ranks #1 of 7 elementary schools in San Carlos, CA.
NCES ID 063429005403 Verify on NCES CCD record →
Enrollment
320
California · 2024-25 NCES data
Teachers (FTE)
17.0
Federal CCD staff survey
Students per teacher
18.8:1
vs 21.5:1 California avg
-13% vs state
Free-lunch eligible
10.4%
vs 55.5% California avg
-81% vs state
How Heather Elementary compares with California and U.S. medians
Smaller classes than state median
18.8:1 - 2.7 below the California state median of 21.5:1, indicating smaller average class loads than typical schools in the state.
Heather Elementary is a lower-poverty, mid-sized elementary school in San Carlos, California, enrolling 320 students.
Class sizes run a bit leaner than typical: 18.8:1 puts it in the smaller third of California schools by student-teacher ratio.
Comparatively few students face economic hardship here, 10.4% free-meal eligibility runs 81% below the California average.
Enrollment of 320 puts it in the smaller third of California schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Against 429 statewide peers matched on enrollment and economic need, it ranks mid-pack at #236.
Its student body is led by Asian (33%) and White (31%), more mixed than most schools in the state (diversity index 73/100).
Counselor access is stretched at roughly 640 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Attendance holds up well here: only 5.6% of students were chronically absent, below the typical post-pandemic national figure.
Among San Carlos's elementary schools, it stands alongside Brittan Acres Elementary (411 students): Heather Elementary is smaller than that campus by headcount and runs leaner classes (18.8:1 vs 24.2:1).
San Carlos Elementary also operates Tierra Linda Middle (451 students) and Central Middle (443 students) alongside Heather Elementary.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
Heather Elementary on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 18.8:1 | ▼ 13% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 10.4% | ▼ 81% | 55.5% | 51.7% |
| Enrollment | 320 | top 71% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Largest group: Asian at 32.5% of enrollment.
Simpson diversity index - at 73.4, Heather Elementary is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for San Carlos Elementary, which includes Heather Elementary.
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Tierra Linda Middle | Larger | Similar economic need | Higher S:T ratio |
| Central Middle | Larger | Similar economic need | Higher S:T ratio |
| Brittan Acres Elementary | Larger | Similar economic need | Higher S:T ratio |
| Arundel Elementary | Similar size | Similar economic need | Higher S:T ratio |
| Mariposa | Similar size | Similar economic need | Higher S:T ratio |
Comparisons are relative to Heather Elementary's own figures; each column derives from NCES Common Core of Data.
6 comparable elementary schools (grades K-5) serving the same city.
Matched by enrollment size and by staffing ratio across all of California, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Heather Elementary's federal record.
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Heather Elementary has 320 students enrolled. It is an elementary school in San Carlos, CA.
The student-teacher ratio at Heather Elementary is 18.8:1, which is 13% lower than the California average of 21.5:1 and 20% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
10.4% of students at Heather Elementary are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Heather Elementary is Asian at 32.5% of enrollment, in San Carlos, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 73.4/100.
Heather Elementary has a Resource Investment Index of 35/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Heather Elementary ranks #1 of 7 elementary schools in San Carlos, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in San Carlos on the city page.
Heather Elementary earns 35/100 on the Resource Investment Index, with class sizes smaller than 74% of California schools. It is also more racially and ethnically mixed than most California schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
Besides Heather Elementary, San Carlos Elementary also operates Tierra Linda Middle (451 students), Central Middle (443 students), and Brittan Acres Elementary (411 students). See the San Carlos Elementary district page for the complete list.
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.
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PlainSchools, “Heather Elementary, San Carlos CA.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/heather-elementary-ca
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