Enrollment
340
California · 2024-25 NCES data
Elementary school (grades K-5) · San Mateo, CA
Federal NCES profile for San Mateo Park Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 21/100.
The verdict
San Mateo Park Elementary earns 21/100 on the Resource Investment Index, with class sizes near the California median.
San Mateo Park Elementary has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, San Mateo Park Elementary ranks #12 of 14 elementary schools in San Mateo, CA.
NCES ID 063492005915 Verify on NCES CCD record →
Enrollment
340
California · 2024-25 NCES data
Teachers (FTE)
16.0
Federal CCD staff survey
Students per teacher
21.3:1
vs 21.5:1 California avg
-1% vs state
Free-lunch eligible
58.2%
vs 55.5% California avg
+5% vs state
How San Mateo Park Elementary compares with California and U.S. medians
At or below state median
21.3:1 - 0.2 below the California state median of 21.5:1, indicating smaller average class loads than typical schools in the state.
San Mateo Park Elementary is a higher-need, mid-sized elementary school in San Mateo, California, enrolling 340 students.
At 21.3:1, its student-teacher ratio sits close to the California median, within a few percentage points of the 21.5:1 state norm, neither notably crowded nor notably small.
Its free-meal eligibility rate of 58.2% lands close to the California typical range, neither a high- nor low-need campus by this measure.
Enrollment of 340 puts it in the smaller third of California schools by headcount.
Its Resource Investment Index lands in the lower third of 9,998 scored California schools.
Against 1,275 statewide peers matched on enrollment and economic need, it ranks mid-pack at #895.
Its student body is predominantly Hispanic or Latino (86% of enrollment) (diversity index 26/100).
Counselor availability sits well past the ASCA benchmark, roughly 340 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 37.6% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among San Mateo's elementary schools, it stands alongside Bayside Academy (840 students): San Mateo Park Elementary is smaller than that campus by headcount and runs heavier classes (21.3:1 vs 19.1:1).
San Mateo-Foster City also operates Bowditch Middle (929 students) and Borel Middle (903 students) alongside San Mateo Park 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
San Mateo Park 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 | 21.3:1 | ▼ 1% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 58.2% | ▲ 5% | 55.5% | 51.7% |
| Enrollment | 340 | top 69% | - | - |
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: Hispanic or Latino at 85.6% of enrollment.
Simpson diversity index - at 26.1, San Mateo Park Elementary is less mixed than the California school average of 46.0.
District-wide per-pupil expenditure for San Mateo-Foster City, which includes San Mateo Park 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 |
|---|---|---|---|
| Bowditch Middle | Larger | Lower economic need | Similar S:T ratio |
| Borel Middle | Larger | Lower economic need | Lower S:T ratio |
| Bayside Academy | Larger | Lower economic need | Lower S:T ratio |
| Abbott Middle | Larger | Lower economic need | Lower S:T ratio |
| Foster City Elementary | Larger | Lower economic need | Lower S:T ratio |
Comparisons are relative to San Mateo Park 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 San Mateo Park 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.
San Mateo Park Elementary has 340 students enrolled. It is an elementary school in San Mateo, CA.
The student-teacher ratio at San Mateo Park Elementary is 21.3:1, which is 1% lower than the California average of 21.5:1 and 36% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
58.2% of students at San Mateo Park Elementary are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at San Mateo Park Elementary is Hispanic or Latino at 85.6% of enrollment, in San Mateo, CA.
San Mateo Park Elementary has a Resource Investment Index of 21/100 (lower 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, San Mateo Park Elementary ranks #12 of 14 elementary schools in San Mateo, 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 Mateo on the city page.
San Mateo Park Elementary earns 21/100 on the Resource Investment Index, with class sizes near the California median. 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 San Mateo Park Elementary, San Mateo-Foster City also operates Bowditch Middle (929 students), Borel Middle (903 students), and Bayside Academy (840 students). See the San Mateo-Foster City 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, “San Mateo Park Elementary, San Mateo 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/san-mateo-park-elementary-ca
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