Elementary school (grades K-5) · Fullerton, CA

Topaz Elementary

Federal NCES profile for Topaz Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 28/100.

2024-25 NCES dataElementary school (grades K-5)NCES 063066004771
0/100100/10028/100
👥 S:T ratio
10
🌟 Gifted program
70
🎓 Counselors
0
📋 Attendance
33
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Topaz Elementary earns 28/100 on the Resource Investment Index, with class sizes near the California median.

#18 of 18
elementary schools in Fullerton · Resource Index
28
Resource Index · Lower
22.4:1
students per teacher
80.0%
free-lunch eligible

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.

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

Student-teacher ratio in context

How Topaz Elementary compares with California and U.S. medians

Slightly above state median

Source: NCES Common Core of Data As of 2024-25 federal staff survey Total enrollment ÷ full-time-equivalent classroom teachers

What stands out at Topaz Elementary

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

How Topaz Elementary compares

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

22.4:1
Leaner classes than 9% of US schools, heavier class loads than most.
404
Bigger than 48% of US schools by enrollment, mid-sized for the country.

Equity indicators (what these measure)

Economic need
80.0%
free-lunch eligible - 44% above the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
22.4:1
students per teacher - 4% above state mean
Top 57% in California - lower ratio than 43% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
27.0%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$13,989
per pupil, district-wide - below California avg of $16,509
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors0.5 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
2
in-school suspensions + 10 out-of-school
Suspension rate: 0.5 per 100 students. Combined in-school and out-of-school rate: 3.0 per 100 students. Reported via the Civil Rights Data Collection.

Overview

  • Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
  • Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
  • F-33 School District Finance Survey: the district-wide per-pupil spending figures below.

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.

Student demographics

Hispanic or Latino 88.4%
White 5.0%
African American 2.5%
Two or More 2.2%
Asian 2.0%

Largest group: Hispanic or Latino at 88.4% of enrollment.

Student-body diversity index 21.5/100

Simpson diversity index - at 21.5, Topaz Elementary is less mixed than the California school average of 46.0.

Programs

Gifted & talented Yes

Funding & spending

District-wide per-pupil expenditure for Placentia-Yorba Linda Unified, which includes Topaz Elementary.

$13,989
Per student
-15%
vs California
Avg $16,509
-16%
vs U.S.
Avg $16,593
Revenue mix
Local 50.7%
State 41.2%
Federal 8.1%

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.

How Topaz Elementary Compares to District-Mates

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.

Other Schools in This District

Placentia-Yorba Linda Unified · 5 sibling schools

View district profile

Similar elementary schools in Fullerton

6 comparable elementary schools (grades K-5) serving the same city.

Similar elementary schools statewide

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.

Frequently asked questions about Topaz Elementary

How many students attend Topaz Elementary?

Topaz Elementary has 404 students enrolled. It is an elementary school in Fullerton, CA.

What is the student-teacher ratio at Topaz Elementary?

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.

What percentage of students receive free lunch at Topaz Elementary?

80.0% of students at Topaz Elementary are eligible for free lunch, compared to the California average of 55.5%.

What is the racial and ethnic makeup of Topaz Elementary?

The largest demographic group at Topaz Elementary is Hispanic or Latino at 88.4% of enrollment, in Fullerton, CA.

What is the Resource Investment Index for Topaz Elementary?

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).

How does Topaz Elementary rank among elementary schools in Fullerton?

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.

Is Topaz Elementary a good school?

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.

What other schools are in Placentia-Yorba Linda Unified?

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.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2021-22) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

View saved

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.