Other / mixed grade configuration · Trona, CA

Trona High

Federal NCES profile for Trona High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 42/100.

2024-25 NCES dataOther / mixed grade configurationNCES 063984006609
0/100100/10042/100
👥 S:T ratio
60
🌟 Gifted program
30
🎓 Counselors
78
📋 Attendance
0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Trona High earns 42/100 on the Resource Investment Index, with class sizes smaller than 96% of California schools.

42
Resource Index · Typical
10.1:1
small classes for California
69.8%
free-lunch eligible
111
students enrolled

Trona High has class sizes smaller than 96% of California schools. Computed live against every California school reporting to NCES.

School address

Enrollment

111

California · 2024-25 NCES data

Teachers (FTE)

11.0

Federal CCD staff survey

Students per teacher

10.1:1

vs 21.5:1 California avg

-53% vs state

Free-lunch eligible

69.8%

vs 55.5% California avg

+26% vs state

Student-teacher ratio in context

How Trona High compares with California and U.S. medians

Smaller classes than state median
0:135:110.1:1

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

What stands out at Trona High

Trona High is a higher-need, small combined-grade school in Trona, California, enrolling 111 students.

Classes run notably small here: at 10.1:1, Trona High is leaner than roughly 96% of California schools and 53% under the state's 21.5:1 norm, more adult attention per pupil than most peers.

Economic need runs somewhat above the state's typical profile, with 69.8% of students eligible for free meals.

Enrollment of 111 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 303 statewide peers matched on enrollment and economic need, it ranks mid-pack at #128.

Its student body is led by White (59%) and Hispanic or Latino (35%) (diversity index 53/100).

Counselor coverage is strong, about 111 students per counselor, inside the American School Counselor Association's recommended 250:1.

Chronic absenteeism is elevated: 65.8% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).

The surrounding Trona Joint Unified spends $28,916 per pupil, 75% above the California average, a better-resourced district than most.

Its district draws 29.1% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.

Discipline events run high: 23 in- and out-of-school suspensions were reported for 111 students in the 2021-22 Civil Rights Data Collection.

Its district, Trona Joint Unified, also runs Trona Elementary (147 students).

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 Trona High compares

Trona 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 10.1:1 ▼ 53% 21.5:1 15.7:1
Free-lunch eligible 69.8% ▲ 26% 55.5% 51.7%
Enrollment 111 top 89% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

10.1:1
Leaner classes than 88% of US schools, among the more generously staffed nationally.
111
Bigger than 11% of US schools by enrollment, a small campus.

Equity indicators (what these measure)

Economic need
69.8%
free-lunch eligible - 26% 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
10.1:1
students per teacher - 53% below state mean
Top 4% in California - lower ratio than 96% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
65.8%
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
$28,916
per pupil, district-wide - above California avg of $16,509
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 111 students, the combined health-and-guidance staffing load for this school.
Discipline context
3
in-school suspensions + 20 out-of-school
Suspension rate: 2.7 per 100 students. Combined in-school and out-of-school rate: 20.7 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

White 58.6%
Hispanic or Latino 35.1%
African American 4.5%
Two or More 1.8%

Largest group: White at 58.6% of enrollment.

Student-body diversity index 53.1/100

Simpson diversity index - at 53.1, Trona High is more mixed than the California school average of 46.0.

Programs

Funding & spending

District-wide per-pupil expenditure for Trona Joint Unified, which includes Trona High.

$28,916
Per student
+75%
vs California
Avg $16,509
+74%
vs U.S.
Avg $16,593
Revenue mix
Local 8.5%
State 62.4%
Federal 29.1%

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 Trona High Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
Trona Elementary Larger Similar economic need Higher S:T ratio

Comparisons are relative to Trona High's own figures; each column derives from NCES Common Core of Data.

Other Schools in This District

Trona Joint Unified · 1 sibling school

View district profile

Similar other 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 Trona 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.

Frequently asked questions about Trona High

How many students attend Trona High?

Trona High has 111 students enrolled. It is a public school in Trona, CA.

What is the student-teacher ratio at Trona High?

The student-teacher ratio at Trona High is 10.1:1, which is 53% lower than the California average of 21.5:1 and 36% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.

What percentage of students receive free lunch at Trona High?

69.8% of students at Trona High are eligible for free lunch, compared to the California average of 55.5%.

What is the racial and ethnic makeup of Trona High?

The largest demographic group at Trona High is White at 58.6% of enrollment, in Trona, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 53.1/100.

What is the Resource Investment Index for Trona High?

Trona High has a Resource Investment Index of 42/100 (typical 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).

Is Trona High a good school?

Trona High earns 42/100 on the Resource Investment Index, with class sizes smaller than 96% 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.

What other schools are in Trona Joint Unified?

Besides Trona High, Trona Joint Unified also operates Trona Elementary (147 students). See the Trona Joint 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.

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.