Enrollment
101
California · 2024-25 NCES data
High school (grades 9-12) · San Marcos, CA
Federal NCES profile for Foothills High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 33/100.
The verdict
Foothills High earns 33/100 on the Resource Investment Index, with class sizes near the California median.
Foothills High has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Foothills High ranks #3 of 5 high schools in San Marcos, CA.
NCES ID 063488009629 Verify on NCES CCD record →
Enrollment
101
California · 2024-25 NCES data
Teachers (FTE)
5.0
Federal CCD staff survey
Students per teacher
20.2:1
vs 21.5:1 California avg
-6% vs state
Free-lunch eligible
41.1%
vs 55.5% California avg
-26% vs state
How Foothills High compares with California and U.S. medians
At or below state median
20.2:1 - 1.3 below the California state median of 21.5:1, indicating smaller average class loads than typical schools in the state.
Foothills High is a small high school in San Marcos, California, enrolling 101 students.
Class sizes run a bit leaner than typical: 20.2:1 puts it in the smaller third of California schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 41.1% of students eligible for free meals.
Enrollment of 101 puts it in the smaller third of California schools by headcount.
Its Resource Investment Index lands in the upper third of 9,998 scored California schools.
Against 211 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #64.
Its student body is led by Hispanic or Latino (60%) and White (32%) (diversity index 53/100).
No Advanced Placement courses are reported for this campus in the federal data.
Chronic absenteeism is elevated: 26.7% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among San Marcos's high schools, it stands alongside San Marcos High (3,067 students): Foothills High is smaller than that campus by headcount and runs leaner classes (20.2:1 vs 24.5:1).
San Marcos Unified also operates San Marcos High (3,067 students) and Mission Hills High (2,751 students) alongside Foothills High.
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
Foothills High on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 20.2:1 | ▼ 6% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 41.1% | ▼ 26% | 55.5% | 51.7% |
| Enrollment | 101 | top 90% | - | - |
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 60.4% of enrollment.
Simpson diversity index - at 53.2, Foothills High is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for San Marcos Unified, which includes Foothills High.
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 | Similar economic need | Higher S:T ratio |
| Mission Hills High | Larger | Similar economic need | Higher S:T ratio |
| San Elijo Middle | Larger | Lower economic need | Higher S:T ratio |
| Woodland Park Middle | Larger | Similar economic need | Higher S:T ratio |
| Double Peak | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Foothills High's own figures; each column derives from NCES Common Core of Data.
4 comparable high schools (grades 9-12) 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 Foothills High'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.
Foothills High has 101 students enrolled. It is a high school in San Marcos, CA.
The student-teacher ratio at Foothills High is 20.2:1, which is 6% lower than the California average of 21.5:1 and 29% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
41.1% of students at Foothills High are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Foothills High is Hispanic or Latino at 60.4% of enrollment, in San Marcos, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 53.2/100.
Foothills High has a Resource Investment Index of 33/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Foothills High ranks #3 of 5 high 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 high schools in San Marcos on the city page.
Foothills High earns 33/100 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 Foothills High, 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, “Foothills High, 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/foothills-high-ca
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