Enrollment
374
California · 2024-25 NCES data
Elementary school (grades K-5) · Atwater, CA
Federal NCES profile for Thomas Olaeta Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 36/100.
The verdict
Thomas Olaeta Elementary earns 36/100 on the Resource Investment Index, with class sizes smaller than 88% of California schools.
Thomas Olaeta Elementary has class sizes smaller than 88% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Thomas Olaeta Elementary ranks #3 of 7 elementary schools in Atwater, CA.
NCES ID 060342000262 Verify on NCES CCD record →
Enrollment
374
California · 2024-25 NCES data
Teachers (FTE)
24.0
Federal CCD staff survey
Students per teacher
15.6:1
vs 21.5:1 California avg
-27% vs state
Free-lunch eligible
63.3%
vs 55.5% California avg
+14% vs state
How Thomas Olaeta Elementary compares with California and U.S. medians
Smaller classes than state median
15.6:1 - 5.9 below the California state median of 21.5:1, indicating smaller average class loads than typical schools in the state.
Thomas Olaeta Elementary is a higher-need, mid-sized elementary school in Atwater, California, enrolling 374 students.
Classes run notably small here: at 15.6:1, Thomas Olaeta Elementary is leaner than roughly 88% of California schools and 27% under the state's 21.5:1 norm, more adult attention per pupil than most peers.
Its free-meal eligibility rate of 63.3% lands close to the California typical range, neither a high- nor low-need campus by this measure.
With 374 students, its enrollment sits close to the California median campus size.
Its Resource Investment Index lands in the upper third of 9,998 scored California schools.
Against 1,582 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #277.
Its student body is led by Hispanic or Latino (75%) and White (14%) (diversity index 41/100).
Chronic absenteeism is elevated: 41.4% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Atwater's elementary schools, it stands alongside Peggy Heller Elementary (712 students): Thomas Olaeta Elementary is smaller than that campus by headcount and runs leaner classes (15.6:1 vs 23:1).
Atwater Elementary also operates Mitchell Intermediate (744 students) and Peggy Heller Elementary (712 students) alongside Thomas Olaeta 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
Thomas Olaeta 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 | 15.6:1 | ▼ 27% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 63.3% | ▲ 14% | 55.5% | 51.7% |
| Enrollment | 374 | top 64% | - | - |
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 75.4% of enrollment.
Simpson diversity index - at 40.9, Thomas Olaeta Elementary is less mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Atwater Elementary, which includes Thomas Olaeta 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 |
|---|---|---|---|
| Mitchell Intermediate | Larger | Similar economic need | Higher S:T ratio |
| Peggy Heller Elementary | Larger | Lower economic need | Higher S:T ratio |
| Bellevue Elementary | Larger | Higher economic need | Higher S:T ratio |
| Mitchell Elementary | Larger | Higher economic need | Higher S:T ratio |
| Elmer Wood Elementary | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Thomas Olaeta 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 Thomas Olaeta 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.
Thomas Olaeta Elementary has 374 students enrolled. It is an elementary school in Atwater, CA.
The student-teacher ratio at Thomas Olaeta Elementary is 15.6:1, which is 27% lower than the California average of 21.5:1 and 1% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
63.3% of students at Thomas Olaeta Elementary are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Thomas Olaeta Elementary is Hispanic or Latino at 75.4% of enrollment, in Atwater, CA.
Thomas Olaeta Elementary has a Resource Investment Index of 36/100 (typical 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).
By Resource Investment Index, Thomas Olaeta Elementary ranks #3 of 7 elementary schools in Atwater, 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 Atwater on the city page.
Thomas Olaeta Elementary earns 36/100 on the Resource Investment Index, with class sizes smaller than 88% of 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 Thomas Olaeta Elementary, Atwater Elementary also operates Mitchell Intermediate (744 students), Peggy Heller Elementary (712 students), and Bellevue Elementary (599 students). See the Atwater Elementary 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, “Thomas Olaeta Elementary, Atwater 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/thomas-olaeta-elementary-ca
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