Elementary school (grades K-5) · San Clemente, CA

San Onofre Elementary

Federal NCES profile for San Onofre Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 32/100.

2024-25 NCES dataElementary school (grades K-5)NCES 061350001544
0/100100/10032/100
👥 S:T ratio
32
🌟 Gifted program
70
🎓 Counselors
2
📋 Attendance
24
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

San Onofre Elementary earns 32/100 on the Resource Investment Index, with class sizes smaller than 84% of California schools.

#3 of 7
elementary schools in San Clemente · Resource Index
32
Resource Index · Typical
16.9:1
small classes for California
17.1%
free-lunch eligible

San Onofre Elementary has class sizes smaller than 84% of California schools. Computed live against every California school reporting to NCES.

By Resource Investment Index, San Onofre Elementary ranks #3 of 7 elementary schools in San Clemente, CA.

CCD year-over-year · 2022-23 → 2023-24

+1 students YoY

San Onofre Elementary held near 526 students from 2022-23 to 2023-24 (+1 headcount).

Teacher FTE lost 29.1 → 27.1 across the same CCD years.

Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).

Steady CCD campus

+1 students YoY 061350001544 · San Clemente, CA Elementary · SMALL · TRAD

489 enr · 16.9:1 · 17.1% lunch · RII 32

Nearest enrollment peer: James E. Potter Intermediate (828 students)

San Onofre Elementary held near 526 students from 2022-23 to 2023-24 (+1 headcount). Teacher FTE lost 29.1 → 27.1 across the same CCD years. Read with this school → · District book → · California schools → · Find another →

San Onofre Elementary in the enrollment neighbourhood

Fall enrollment among this campus and nearest district peers

students

What this shows San Onofre Elementary reports 489 students on the CCD universe file.

Source U.S. Department of Education, NCES Common Core of Data (Public School Universe) As of 2024-25

How San Onofre Elementary compares

San Onofre Elementary held steady on CCD headcount: ratios and free-lunch share vs California and U.S. means.

Metric This school vs California California avg U.S. avg
Students per teacher 16.9:1 ▼ 21% 21.5:1 15.7:1
Free-lunch eligible 17.1% ▼ 69% 55.5% 51.7%
Enrollment 489 top 47% - -

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

16.9:1
Leaner classes than 31% of US schools, heavier class loads than most.
489
Bigger than 60% of US schools by enrollment, mid-sized for the country.

Equity indicators methodology

Economic need
17.1%
free-lunch eligible - 69% 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
16.9:1
students per teacher - 21% below state mean
Top 16% in California - lower ratio than 84% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
30.3%
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
$21,111
per pupil, district-wide - above California avg of $18,665
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 489 students, the combined health-and-guidance staffing load for this school.
Discipline context
3
in-school suspensions + 12 out-of-school
Suspension rate: 0.6 per 100 students. Combined in-school and out-of-school rate: 3.1 per 100 students. Reported via the Civil Rights Data Collection.

Student demographics

White 47.0%
Hispanic or Latino 35.6%
Two or More 9.4%
African American 4.3%
Asian 2.5%
Native Hawaiian / Pacific Islander 0.8%
American Indian / Alaska Native 0.4%

Largest group: White at 47.0% of enrollment.

Student-body diversity index 64.1/100

Simpson diversity index - at 64.1, San Onofre Elementary is more mixed than the California school average of 46.0.

Programs

Gifted & talented Yes

District finance for Fallbrook Union Elementary reports $21,111 per pupil (NCES F-33) - open the district page for the full revenue mix.

How San Onofre Elementary Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
James E. Potter Intermediate Larger Higher economic need Higher S:T ratio
Mary Fay Pendleton Elementary Larger Similar economic need Higher S:T ratio
Live Oak Elementary Larger Higher economic need Higher S:T ratio
Fallbrook Stem Academy Similar size Higher economic need Higher S:T ratio
Maie Ellis Elementary Similar size Higher economic need Higher S:T ratio

Comparisons are relative to San Onofre Elementary's own figures; each column derives from NCES Common Core of Data.

Other Schools in This District

Fallbrook Union Elementary · 5 sibling schools

View district profile

Similar elementary schools in San Clemente

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

Nationwide elementary schools with similar size or staffing

Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.

Frequently asked questions about San Onofre Elementary

How many students attend San Onofre Elementary?

San Onofre Elementary has 489 students enrolled. It is an elementary school in San Clemente, CA. CCD year-over-year: 525 (2022-23) → 526 (2023-24), nearly flat (+1).

What is the student-teacher ratio at San Onofre Elementary?

The student-teacher ratio at San Onofre Elementary is 16.9:1, which is 21% lower than the California average of 21.5:1 and 8% higher 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 San Onofre Elementary?

17.1% of students at San Onofre Elementary are eligible for free lunch, compared to the California average of 55.5%.

What is the racial and ethnic makeup of San Onofre Elementary?

The largest demographic group at San Onofre Elementary is White at 47.0% of enrollment, in San Clemente, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 64.1/100.

What is the Resource Investment Index for San Onofre Elementary?

San Onofre Elementary has a Resource Investment Index of 32/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).

How does San Onofre Elementary rank among elementary schools in San Clemente?

By Resource Investment Index, San Onofre Elementary ranks #3 of 7 elementary schools in San Clemente, 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 San Clemente on the city page.

What other schools are in Fallbrook Union Elementary?

Besides San Onofre Elementary, Fallbrook Union Elementary also operates James E. Potter Intermediate (828 students), Mary Fay Pendleton Elementary (820 students), and Live Oak Elementary (717 students). See the Fallbrook Union Elementary 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 2022-23) · 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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