- Enrollment
- 2,411
- Students per teacher
- 21.7:1
- Resource Index
- 38/100
Elementary school (grades K-5) · Placentia, CA
John O. Tynes Elementary
Federal NCES profile for John O. Tynes Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 27/100.
2024-25 NCES dataElementary school (grades K-5)NCES 063066004764
👥 S:T ratio 16
🌟 Gifted program 70
🎓 Counselors 0
📋 Attendance 21
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
John O. Tynes Elementary earns 27/100 on the Resource Investment Index, with class sizes near the California median.
- #6 of 9
- elementary schools in Placentia · Resource Index
- 27
- Resource Index · Lower
- 21.1:1
- students per teacher
- 58.5%
- free-lunch eligible
John O. Tynes Elementary has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, John O. Tynes Elementary ranks #6 of 9 elementary schools in Placentia, CA.
School address
District: Placentia-Yorba Linda Unified · California
NCES ID 063066004764 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-40 students YoY
John O. Tynes Elementary shrank from 680 students in 2022-23 to 640 in 2023-24 (-5.9%).
Teacher FTE lost 28.0 → 24.5 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-40 students YoY 063066004764 · Placentia, CA Elementary · MID · TRAD
591 enr · 21.1:1 · 58.5% lunch · RII 27
Nearest enrollment peer: Valencia High (2,411 students)
John O. Tynes Elementary shrank from 680 students in 2022-23 to 640 in 2023-24 (-5.9%). Teacher FTE lost 28.0 → 24.5 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
John O. Tynes Elementary in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Valencia High
Valencia High
2,411 students
- El Dorado High
El Dorado High
1,998 students
- Yorba Linda Hi
Yorba Linda High
1,631 students
- Esperanza High
Esperanza High
1,393 students
- Travis Ranch
Travis Ranch
1,197 students
- This school 591
John O. Tynes Elementary
591 students
What this shows John O. Tynes Elementary reports 591 students on the CCD universe file.
How John O. Tynes Elementary compares
John O. Tynes Elementary is a shrinking campus on CCD: ratios and free-lunch share vs California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 21.1:1 | ▼ 2% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 58.5% | ▲ 5% | 55.5% | 51.7% |
| Enrollment | 591 | top 33% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
21.1:1
Leaner classes than 13% of US schools, heavier class loads than most.
591
Bigger than 72% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
58.5%
free-lunch eligible
- 5% 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
21.1:1
students per teacher
- 2% below state mean
Top 44% in California - lower ratio than 56% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
31.5%
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
$15,609
per pupil, district-wide
- below California avg of $18,665
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 591 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 8 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 1.4 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 65.8%
Asian 20.0%
White 8.8%
Two or More 4.1%
African American 1.0%
American Indian / Alaska Native 0.3%
Largest group: Hispanic or Latino at 65.8% of enrollment.
Student-body diversity index 51.8/100
Simpson diversity index - at 51.8, John O. Tynes Elementary is more mixed than the California school average of 46.0.
Programs
Gifted & talented Yes
District finance for Placentia-Yorba Linda Unified reports $15,609 per pupil (NCES F-33) - open the district page for the full revenue mix.
How John O. Tynes Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Valencia High | Larger | Similar 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 | Similar S:T ratio |
| Travis Ranch | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to John O. Tynes Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,998
- Students per teacher
- 25:1
- Resource Index
- 30/100
- Enrollment
- 1,631
- Students per teacher
- 24.3:1
- Resource Index
- 38/100
- Enrollment
- 1,393
- Students per teacher
- 19.9:1
- Resource Index
- 36/100
- Enrollment
- 1,197
- Students per teacher
- 23.9:1
- Resource Index
- 32/100
Similar elementary schools in Placentia
6 comparable elementary schools (grades K-5) serving the same city.
Golden Elementary
Standard public school
834 students 29.8:1 students per teacher
Van Buren Elementary
Standard public school
538 students 24.5:1 students per teacher
Brookhaven Elementary
Standard public school
482 students 28.4:1 students per teacher
Sierra Vista Elementary
Standard public school
454 students 26.7:1 students per teacher
Charles Wagner Elementary
Standard public school
440 students 24.4:1 students per teacher
Morse Elementary
Standard public school
382 students 29.4:1 students per teacher
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.
Similar enrollment (~591 students)
Frequently asked questions about John O. Tynes Elementary
How many students attend John O. Tynes Elementary?
John O. Tynes Elementary has 591 students enrolled. It is an elementary school in Placentia, CA. CCD year-over-year: 680 (2022-23) → 640 (2023-24), down 40.
What is the student-teacher ratio at John O. Tynes Elementary?
The student-teacher ratio at John O. Tynes Elementary is 21.1:1, which is 2% lower than the California average of 21.5:1 and 34% 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 John O. Tynes Elementary?
58.5% of students at John O. Tynes Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of John O. Tynes Elementary?
The largest demographic group at John O. Tynes Elementary is Hispanic or Latino at 65.8% of enrollment, in Placentia, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 51.8/100.
What is the Resource Investment Index for John O. Tynes Elementary?
John O. Tynes Elementary has a Resource Investment Index of 27/100 (lower 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 John O. Tynes Elementary rank among elementary schools in Placentia?
By Resource Investment Index, John O. Tynes Elementary ranks #6 of 9 elementary 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 elementary schools in Placentia on the city page.
What other schools are in Placentia-Yorba Linda Unified?
Besides John O. Tynes 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.