High school (grades 9-12) · Placentia, CA

El Dorado High

Federal NCES profile for El Dorado High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 44/100.

2024-25 NCES dataHigh school (grades 9-12)NCES 063066004757
0/100100/10044/100
👥 S:T ratio
0
📚 AP courses
100
🌟 Gifted program
70
🎓 Counselors
0
📋 Attendance
50
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

El Dorado High earns 44/100 on the Resource Investment Index, with class sizes larger than 79% of California schools. It is also one of the largest schools in California.

#3 of 3
high schools in Placentia · Resource Index
44
Resource Index · Typical
25:1
large classes for California
23.2%
free-lunch eligible

El Dorado High has class sizes larger than 79% of California schools. Computed live against every California school reporting to NCES.

By Resource Investment Index, El Dorado High ranks #3 of 3 high schools in Placentia, CA.

Enrollment

1,998

California · 2024-25 NCES data

Teachers (FTE)

80.0

Federal CCD staff survey

Students per teacher

25:1

vs 21.5:1 California avg

+16% vs state

Free-lunch eligible

23.2%

vs 55.5% California avg

-58% vs state

Student-teacher ratio in context

How El Dorado High compares with California and U.S. medians

Larger classes than 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 El Dorado High

El Dorado High is a large high school in Placentia, California, enrolling 1,998 students.

Class loads run somewhat heavier than typical: 25:1 puts it in the larger third of California schools by student-teacher ratio.

Comparatively few students face economic hardship here, 23.2% free-meal eligibility runs 58% below the California average.

By headcount it is one of the larger campuses in California, bigger than 97% of state schools at 1,998 students.

Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.

Against 275 statewide peers matched on enrollment and economic need, it ranks mid-pack at #190.

Its student body is led by Hispanic or Latino (40%) and White (34%), more mixed than most schools in the state (diversity index 68/100).

On the academic-pipeline side it reports 22 Advanced Placement courses.

Counselor access is stretched at roughly 500 students per counselor, well above the ASCA-recommended 250:1 ceiling.

Attendance runs somewhat below the norm, with 20.0% of students chronically absent per the 2021-22 civil-rights collection.

The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.

Among Placentia's high schools, it stands alongside Valencia High (2,411 students): El Dorado High is smaller than that campus by headcount and runs heavier classes (25:1 vs 21.7:1).

Placentia-Yorba Linda Unified also operates Valencia High (2,411 students) and Yorba Linda High (1,631 students) alongside El Dorado High.

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 El Dorado High compares

El Dorado 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 25:1 ▲ 16% 21.5:1 15.7:1
Free-lunch eligible 23.2% ▼ 58% 55.5% 51.7%
Enrollment 1,998 top 3% - -

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

25:1
Leaner classes than 5% of US schools, heavier class loads than most.
1,998
Bigger than 98% of US schools by enrollment, a large campus nationally.

Equity indicators (what these measure)

Economic need
23.2%
free-lunch eligible - 58% below the California average of 55.5%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
25:1
students per teacher - 16% above state mean
Top 79% in California - lower ratio than 21% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
20.0%
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
Counselors4.0 FTE
Per 500 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 30 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 1.5 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.

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 40.1%
White 34.2%
Asian 19.7%
Two or More 3.7%
African American 1.5%
American Indian / Alaska Native 0.5%
Native Hawaiian / Pacific Islander 0.3%

Largest group: Hispanic or Latino at 40.1% of enrollment.

Student-body diversity index 68.2/100

Simpson diversity index - at 68.2, El Dorado High is more mixed than the California school average of 46.0.

Programs

AP courses offered 22
Gifted & talented Yes

Funding & spending

District-wide per-pupil expenditure for Placentia-Yorba Linda Unified, which includes El Dorado High.

$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 El Dorado High Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
Valencia High Similar size Higher economic need Lower S:T ratio
Yorba Linda High Similar size Similar economic need Similar S:T ratio
Esperanza High Smaller Similar economic need Lower S:T ratio
Travis Ranch Smaller Similar economic need Similar S:T ratio
Kraemer Middle Smaller Higher economic need Similar S:T ratio

Comparisons are relative to El Dorado High'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 high schools in Placentia

2 comparable high schools (grades 9-12) serving the same city.

Similar high 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 El Dorado 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 El Dorado High

How many students attend El Dorado High?

El Dorado High has 1,998 students enrolled. It is a high school in Placentia, CA.

What is the student-teacher ratio at El Dorado High?

The student-teacher ratio at El Dorado High is 25:1, which is 16% higher than the California average of 21.5:1 and 59% higher than the national average of 15.7:1.

What percentage of students receive free lunch at El Dorado High?

23.2% of students at El Dorado High are eligible for free lunch, compared to the California average of 55.5%.

What is the racial and ethnic makeup of El Dorado High?

The largest demographic group at El Dorado High is Hispanic or Latino at 40.1% of enrollment, in Placentia, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 68.2/100.

What is the Resource Investment Index for El Dorado High?

El Dorado High has a Resource Investment Index of 44/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).

How does El Dorado High rank among high schools in Placentia?

By Resource Investment Index, El Dorado High ranks #3 of 3 high schools in Placentia, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Placentia on the city page.

Is El Dorado High a good school?

El Dorado High earns 44/100 on the Resource Investment Index, with class sizes larger than 79% of California schools. It is also one of the largest 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.

What other schools are in Placentia-Yorba Linda Unified?

Besides El Dorado High, Placentia-Yorba Linda Unified also operates Valencia High (2,411 students), Yorba Linda High (1,631 students), and Esperanza High (1,393 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.

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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.