Enrollment
21
California · 2024-25 NCES data
Elementary school (grades K-5) · Santa Margarita, CA
Federal NCES profile for Carrisa Plains Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 15/100.
The verdict
Carrisa Plains Elementary earns 15/100 on the Resource Investment Index, with class sizes near the California median. It is also one of the smallest schools in California.
Carrisa Plains Elementary has class sizes near the California median. Computed live against every California school reporting to NCES.
NCES ID 060330000249 Verify on NCES CCD record →
Enrollment
21
California · 2024-25 NCES data
Teachers (FTE)
1.0
Federal CCD staff survey
Students per teacher
21:1
vs 21.5:1 California avg
-2% vs state
Free-lunch eligible
65.0%
vs 55.5% California avg
+17% vs state
How Carrisa Plains Elementary compares with California and U.S. medians
At or below state median
21:1 - 0.5 below the California state median of 21.5:1, indicating smaller average class loads than typical schools in the state.
Carrisa Plains Elementary is a higher-need, small elementary school in Santa Margarita, California, enrolling 21 students.
At 21:1, 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 65.0% lands close to the California typical range, neither a high- nor low-need campus by this measure.
This is a small campus: fewer students than 97% of California schools, with 21 enrolled.
Its Resource Investment Index trails 91% of the 9,998 California schools with a score on record, one of the lower results on this measure.
Among 107 similarly sized, similarly resourced-need California schools statewide, it ranks #97, in the lower tier once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (52%) and White (48%) (diversity index 50/100).
Chronic absenteeism is elevated: 42.9% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Atascadero Unified spends $13,091 per pupil, 21% below the California average, a leaner-resourced district than most.
Among Santa Margarita's elementary schools, it stands alongside Santa Margarita Elementary (297 students): Carrisa Plains Elementary is smaller than that campus by headcount and runs leaner classes (21:1 vs 27:1).
Atascadero Unified also operates Atascadero High (1,157 students) and Atascadero Middle (845 students) alongside Carrisa Plains 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
Carrisa Plains 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 | 21:1 | ▼ 2% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 65.0% | ▲ 17% | 55.5% | 51.7% |
| Enrollment | 21 | top 97% | - | - |
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 52.4% of enrollment.
Simpson diversity index - at 49.9, Carrisa Plains Elementary is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Atascadero Unified, which includes Carrisa Plains 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 |
|---|---|---|---|
| Atascadero High | Larger | Lower economic need | Lower S:T ratio |
| Atascadero Middle | Larger | Lower economic need | Similar S:T ratio |
| San Benito Elementary | Larger | Lower economic need | Higher S:T ratio |
| Monterey Road Elementary | Larger | Lower economic need | Higher S:T ratio |
| Santa Rosa Road Academic Academy | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Carrisa Plains Elementary's own figures; each column derives from NCES Common Core of Data.
1 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 Carrisa Plains 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.
Carrisa Plains Elementary has 21 students enrolled. It is an elementary school in Santa Margarita, CA.
The student-teacher ratio at Carrisa Plains Elementary is 21:1, which is 2% lower than the California average of 21.5:1 and 34% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
65.0% of students at Carrisa Plains Elementary are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Carrisa Plains Elementary is Hispanic or Latino at 52.4% of enrollment, in Santa Margarita, CA.
Carrisa Plains Elementary has a Resource Investment Index of 15/100 (lower reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
Carrisa Plains Elementary earns 15/100 on the Resource Investment Index, with class sizes near the California median. It is also one of the smallest schools in California. 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 Carrisa Plains Elementary, Atascadero Unified also operates Atascadero High (1,157 students), Atascadero Middle (845 students), and San Benito Elementary (403 students). See the Atascadero 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.
Published by
PlainSchools Editorial
Independent public-data reference that compiles, verifies, and contextualizes official datasets. We do not accept compensation from entities we cover, and every dataset cites its originating public source.
Last updated:
PlainSchools, “Carrisa Plains Elementary, Santa Margarita 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/carrisa-plains-elementary-ca
You are welcome to quote these figures with attribution to PlainSchools and the underlying source. The URL above is stable.