Enrollment
1,171
California · 2024-25 NCES data
Elementary school (grades K-5) · San Marcos, CA
Federal NCES profile for Double Peak, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 29/100.
The verdict
Double Peak earns 29/100 on the Resource Investment Index, with class sizes near the California median. It is also more racially and ethnically mixed than most California schools.
Double Peak has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Double Peak ranks #5 of 11 elementary schools in San Marcos, CA.
NCES ID 063488013965 Verify on NCES CCD record →
Enrollment
1,171
California · 2024-25 NCES data
Teachers (FTE)
54.0
Federal CCD staff survey
Students per teacher
21.7:1
vs 21.5:1 California avg
+1% vs state
Free-lunch eligible
18.6%
vs 55.5% California avg
-66% vs state
How Double Peak 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.
Double Peak is a lower-poverty, large elementary school in San Marcos, California, enrolling 1,171 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, 18.6% free-meal eligibility runs 66% below the California average.
By headcount it is one of the larger campuses in California, bigger than 91% of state schools at 1,171 students.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Among 536 similarly sized, similarly resourced-need California schools statewide, it ranks #383, in the lower tier once campus size and economic need are matched.
Its student body is led by White (49%) and Hispanic or Latino (24%), more mixed than most schools in the state (diversity index 67/100).
Counselor access is stretched at roughly 1171 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 27.0% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among San Marcos's elementary schools, it stands alongside Richland Elementary (883 students): Double Peak is larger than that campus by headcount and runs leaner classes (21.7:1 vs 27.6:1).
San Marcos Unified also operates San Marcos High (3,067 students) and Mission Hills High (2,751 students) alongside Double Peak.
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
Double Peak 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 | 18.6% | ▼ 66% | 55.5% | 51.7% |
| Enrollment | 1,171 | top 9% | - | - |
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: White at 49.2% of enrollment.
Simpson diversity index - at 66.9, Double Peak is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for San Marcos Unified, which includes Double Peak.
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 |
|---|---|---|---|
| San Marcos High | Larger | Higher economic need | Higher S:T ratio |
| Mission Hills High | Larger | Higher economic need | Higher S:T ratio |
| San Elijo Middle | Similar size | Similar economic need | Higher S:T ratio |
| Woodland Park Middle | Similar size | Higher economic need | Similar S:T ratio |
| San Marcos Middle | Similar size | Higher economic need | Similar S:T ratio |
Comparisons are relative to Double Peak'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 Double Peak'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.
Double Peak has 1,171 students enrolled. It is an elementary school in San Marcos, CA.
The student-teacher ratio at Double Peak 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.
18.6% of students at Double Peak are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Double Peak is White at 49.2% of enrollment, in San Marcos, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 66.9/100.
Double Peak has a Resource Investment Index of 29/100 (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, Double Peak ranks #5 of 11 elementary schools in San Marcos, 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 Marcos on the city page.
Double Peak earns 29/100 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 Double Peak, San Marcos Unified also operates San Marcos High (3,067 students), Mission Hills High (2,751 students), and San Elijo Middle (1,395 students). See the San Marcos 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, “Double Peak, San Marcos 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/double-peak-ca
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