Enrollment
759
California · 2024-25 NCES data
Middle school (grades 6-8) · Sunnyvale, CA
Federal NCES profile for Marian a. Peterson Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 41/100.
The verdict
Marian a. Peterson Middle earns 41/100 on the Resource Investment Index, with class sizes near the California median. It is also more racially and ethnically mixed than most California schools.
Marian a. Peterson Middle has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Marian a. Peterson Middle ranks #3 of 4 middle schools in Sunnyvale, CA.
NCES ID 063543007867 Verify on NCES CCD record →
Enrollment
759
California · 2024-25 NCES data
Teachers (FTE)
35.0
Federal CCD staff survey
Students per teacher
21.7:1
vs 21.5:1 California avg
+1% vs state
Free-lunch eligible
21.3%
vs 55.5% California avg
-62% vs state
How Marian a. Peterson Middle compares with California and U.S. medians
Slightly above state median
21.7:1 - 0.2 above the California state median of 21.5:1, indicating larger average class loads than typical schools in the state.
Marian a. Peterson Middle is a mid-sized middle school in Sunnyvale, California, enrolling 759 students.
At 21.7:1, 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.
Comparatively few students face economic hardship here, 21.3% free-meal eligibility runs 62% below the California average.
Enrollment of 759 puts it in the larger third of California schools by headcount.
Its Resource Investment Index lands in the upper third of 9,998 scored California schools.
Against 1,193 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #294.
Its student body is led by Asian (46%) and Hispanic or Latino (30%), more mixed than most schools in the state (diversity index 67/100).
Counselor coverage runs a bit thin, about 253 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
11.3% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding Santa Clara Unified spends $24,038 per pupil, 46% above the California average, a better-resourced district than most.
Among Sunnyvale's middle schools, it stands alongside Cupertino Middle (1,067 students): Marian a. Peterson Middle is smaller than that campus by headcount and runs heavier classes (21.7:1 vs 20.1:1).
Santa Clara Unified also operates Santa Clara High (1,663 students) and Adrian Wilcox High (1,614 students) alongside Marian a. Peterson Middle.
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
Marian a. Peterson Middle on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 21.7:1 | ▲ 1% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 21.3% | ▼ 62% | 55.5% | 51.7% |
| Enrollment | 759 | top 19% | - | - |
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 46.1% of enrollment.
Simpson diversity index - at 66.7, Marian a. Peterson Middle is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Santa Clara Unified, which includes Marian a. Peterson Middle.
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 |
|---|---|---|---|
| Santa Clara High | Larger | Higher economic need | Lower S:T ratio |
| Adrian Wilcox High | Larger | Similar economic need | Lower S:T ratio |
| Juan Cabrillo Middle | Similar size | Higher economic need | Lower S:T ratio |
| Buchser Middle | Similar size | Higher economic need | Lower S:T ratio |
| Kathleen Macdonald High | Similar size | Higher economic need | Higher S:T ratio |
Comparisons are relative to Marian a. Peterson Middle's own figures; each column derives from NCES Common Core of Data.
3 comparable middle schools (grades 6-8) 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 Marian a. Peterson Middle'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.
Marian a. Peterson Middle has 759 students enrolled. It is a middle school in Sunnyvale, CA.
The student-teacher ratio at Marian a. Peterson Middle is 21.7:1, which is 1% higher than the California average of 21.5:1 and 38% higher than the national average of 15.7:1.
21.3% of students at Marian a. Peterson Middle are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Marian a. Peterson Middle is Asian at 46.1% of enrollment, in Sunnyvale, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 66.7/100.
Marian a. Peterson Middle has a Resource Investment Index of 41/100 (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, Marian a. Peterson Middle ranks #3 of 4 middle schools in Sunnyvale, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all middle schools in Sunnyvale on the city page.
Marian a. Peterson Middle earns 41/100 on the Resource Investment Index, with class sizes near the California median. 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 Marian a. Peterson Middle, Santa Clara Unified also operates Santa Clara High (1,663 students), Adrian Wilcox High (1,614 students), and Juan Cabrillo Middle (796 students). See the Santa Clara Unified 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, “Marian a. Peterson Middle, Sunnyvale 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/marian-a-peterson-middle-ca
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