Enrollment
591
California · 2024-25 NCES data
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 →
Teachers (FTE)
28.0
Federal CCD staff survey
Students per teacher
21.1:1
vs 21.5:1 California avg
-2% vs state
Free-lunch eligible
58.5%
vs 55.5% California avg
+5% vs state
Student-teacher ratio in context
How John O. Tynes Elementary compares with California and U.S. medians
What stands out at John O. Tynes Elementary
John O. Tynes Elementary is a higher-need, mid-sized elementary school in Placentia, California, enrolling 591 students.
At 21.1:1, 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.
Its free-meal eligibility rate of 58.5% lands close to the California typical range, neither a high- nor low-need campus by this measure.
Enrollment of 591 puts it in the larger third of California schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Against 1,745 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #702.
Its student body is led by Hispanic or Latino (66%) and Asian (20%) (diversity index 52/100).
Counselor access is stretched at roughly 591 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 31.5% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Placentia's elementary schools, it stands alongside Golden Elementary (834 students): John O. Tynes Elementary is smaller than that campus by headcount and runs leaner classes (21.1:1 vs 29.8:1).
Placentia-Yorba Linda Unified also operates Valencia High (2,411 students) and El Dorado High (1,998 students) alongside John O. Tynes 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 John O. Tynes Elementary compares
John O. Tynes 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 | 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 (what these measure)
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
$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
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.
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 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
Funding & spending
District-wide per-pupil expenditure for Placentia-Yorba Linda Unified, which includes John O. Tynes 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 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
- 2,411
- Students per teacher
- 21.7:1
- Resource Index
- 38/100
- 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
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.
Similar enrollment (~591 students)
Similar student-teacher ratio (~21.1:1)
Next steps
Verify locally before acting on John O. Tynes Elementary's federal record.
- Compare John O. Tynes Elementary against another school. Compare schools
- Placentia-Yorba Linda Unified's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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 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.
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, counselor availability, attendance rates. 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.
Is John O. Tynes Elementary a good school?
John O. Tynes Elementary earns 27/100 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 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.
Related tools
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.