Enrollment
404
California · 2024-25 NCES data
Elementary school (grades K-5) · Fullerton, CA
Federal NCES profile for Topaz Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 28/100.
The verdict
Topaz Elementary earns 28/100 on the Resource Investment Index, with class sizes near the California median.
Topaz Elementary has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Topaz Elementary ranks #18 of 18 elementary schools in Fullerton, CA.
NCES ID 063066004771 Verify on NCES CCD record →
Enrollment
404
California · 2024-25 NCES data
Teachers (FTE)
18.0
Federal CCD staff survey
Students per teacher
22.4:1
vs 21.5:1 California avg
+4% vs state
Free-lunch eligible
80.0%
vs 55.5% California avg
+44% vs state
How Topaz Elementary compares with California and U.S. medians
Slightly above state median
22.4:1 - 0.9 above the California state median of 21.5:1, indicating larger average class loads than typical schools in the state.
Topaz Elementary is a high-poverty, mid-sized elementary school in Fullerton, California, enrolling 404 students.
At 22.4:1, 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.
Economic need runs somewhat above the state's typical profile, with 80.0% of students eligible for free meals.
With 404 students, its enrollment sits close to the California median campus size.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Against 1,855 statewide peers matched on enrollment and economic need, it ranks mid-pack at #799.
Its student body is predominantly Hispanic or Latino (88% of enrollment) (diversity index 22/100).
Counselor access is stretched at roughly 808 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 Fullerton's elementary schools, it stands alongside Robert C. Fisler Elementary (892 students): Topaz Elementary is smaller than that campus by headcount and runs leaner classes (22.4:1 vs 27:1).
Placentia-Yorba Linda Unified also operates Valencia High (2,411 students) and El Dorado High (1,998 students) alongside Topaz 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
Topaz 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 | 22.4:1 | ▲ 4% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 80.0% | ▲ 44% | 55.5% | 51.7% |
| Enrollment | 404 | top 60% | - | - |
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 88.4% of enrollment.
Simpson diversity index - at 21.5, Topaz Elementary is less mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Placentia-Yorba Linda Unified, which includes Topaz 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 |
|---|---|---|---|
| Valencia High | Larger | Lower economic need | Similar S:T ratio |
| El Dorado High | Larger | Lower economic need | Higher S:T ratio |
| Yorba Linda High | Larger | Lower economic need | Higher S:T ratio |
| Esperanza High | Larger | Lower economic need | Lower S:T ratio |
| Travis Ranch | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Topaz 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 Topaz 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.
Topaz Elementary has 404 students enrolled. It is an elementary school in Fullerton, CA.
The student-teacher ratio at Topaz Elementary is 22.4:1, which is 4% higher than the California average of 21.5:1 and 43% higher than the national average of 15.7:1.
80.0% of students at Topaz Elementary are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Topaz Elementary is Hispanic or Latino at 88.4% of enrollment, in Fullerton, CA.
Topaz Elementary has a Resource Investment Index of 28/100 (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, Topaz Elementary ranks #18 of 18 elementary schools in Fullerton, 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 Fullerton on the city page.
Topaz Elementary earns 28/100 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 Topaz Elementary, Placentia-Yorba Linda Unified also operates Valencia High (2,411 students), El Dorado High (1,998 students), and Yorba Linda High (1,631 students). See the Placentia-Yorba Linda 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, “Topaz Elementary, Fullerton 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/topaz-elementary-ca
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