Enrollment
559
New York · 2024-25 NCES data
Elementary school (grades K-5) · Tappan, NY
William O Schaefer Elementary School
Federal NCES profile for William O Schaefer Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 48/100.
2024-25 NCES dataElementary school (grades K-5)NCES 362745004427
👥 S:T ratio 57
🌟 Gifted program 70
🎓 Counselors 0
📋 Attendance 64
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
William O Schaefer Elementary School earns 48/100 on the Resource Investment Index, with class sizes near the New York median.
- 48
- Resource Index · Typical
- 10.8:1
- students per teacher
- 16.5%
- free-lunch eligible
- 559
- students enrolled
William O Schaefer Elementary School has class sizes near the New York median. Computed live against every New York school reporting to NCES.
School address
District: South Orangetown Central School District · New York
NCES ID 362745004427 Verify on NCES CCD record →
Teachers (FTE)
52.0
Federal CCD staff survey
Students per teacher
10.8:1
vs 11.8:1 New York avg
-8% vs state
Free-lunch eligible
16.5%
vs 56.2% New York avg
-71% vs state
Student-teacher ratio in context
How William O Schaefer Elementary School compares with New York and U.S. medians
What stands out at William O Schaefer Elementary School
William O Schaefer Elementary School is a lower-poverty, mid-sized elementary school in Tappan, New York, enrolling 559 students.
At 10.8:1, its student-teacher ratio sits close to the New York median, within a few percentage points of the 11.8:1 state norm, neither notably crowded nor notably small.
Comparatively few students face economic hardship here, 16.5% free-meal eligibility runs 71% below the New York average.
Enrollment of 559 puts it in the larger third of New York schools by headcount.
Its Resource Investment Index lands in the upper third of 4,801 scored New York schools.
Against 598 statewide peers matched on enrollment and economic need, it ranks mid-pack at #249.
Its student body is led by White (59%) and Hispanic or Latino (24%) (diversity index 58/100).
Counselor access is stretched at roughly 1118 students per counselor, well above the ASCA-recommended 250:1 ceiling.
14.5% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding South Orangetown Central School District spends $32,407 per pupil, 23% above the New York average, a better-resourced district than most.
South Orangetown Central School District also operates Tappan Zee High School (911 students) and South Orangetown Middle School (641 students) alongside William O Schaefer Elementary School.
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 William O Schaefer Elementary School compares
William O Schaefer Elementary School on the metrics families compare, against New York and U.S. means.
| Metric | This school | vs New York | New York avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 10.8:1 | ▼ 8% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 16.5% | ▼ 71% | 56.2% | 51.7% |
| Enrollment | 559 | top 31% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10.8:1
Leaner classes than 84% of US schools, among the more generously staffed nationally.
559
Bigger than 69% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
16.5%
free-lunch eligible
- 71% below the New York average of 56.2%
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
10.8:1
students per teacher
- 8% below state mean
Top 42% in New York - lower ratio than 58% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
14.5%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$32,407
per pupil, district-wide
- above New York avg of $26,410
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors0.5 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 2 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.4 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
White 59.0%
Hispanic or Latino 24.2%
Asian 7.9%
Two or More 7.7%
African American 1.3%
Largest group: White at 59.0% of enrollment.
Student-body diversity index 58.1/100
Simpson diversity index - at 58.1, William O Schaefer Elementary School is more mixed than the New York school average of 45.5.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for South Orangetown Central School District, which includes William O Schaefer Elementary School.
$32,407
Per student
+23%
vs New York
Avg $26,410
+95%
vs U.S.
Avg $16,593
Revenue mix
Local 78.0%
State 17.3%
Federal 4.7%
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 William O Schaefer Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Tappan Zee High School | Larger | Similar economic need | Similar S:T ratio |
| South Orangetown Middle School | Similar size | Similar economic need | Similar S:T ratio |
| Cottage Lane Elementary School | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to William O Schaefer Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 911
- Students per teacher
- 9.9:1
- Resource Index
- 62/100
- Enrollment
- 641
- Students per teacher
- 9.4:1
- Resource Index
- 65/100
- Enrollment
- 636
- Students per teacher
- 10.8:1
- Resource Index
- 51/100
Similar elementary schools statewide
Matched by enrollment size and by staffing ratio across all of New York, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~559 students)
Next steps
Verify locally before acting on William O Schaefer Elementary School's federal record.
- Compare William O Schaefer Elementary School against another school. Compare schools
- South Orangetown Central School District'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 William O Schaefer Elementary School
How many students attend William O Schaefer Elementary School?
William O Schaefer Elementary School has 559 students enrolled. It is an elementary school in Tappan, NY.
What is the student-teacher ratio at William O Schaefer Elementary School?
The student-teacher ratio at William O Schaefer Elementary School is 10.8:1, which is 8% lower than the New York average of 11.8:1 and 31% 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 William O Schaefer Elementary School?
16.5% of students at William O Schaefer Elementary School are eligible for free lunch, compared to the New York average of 56.2%.
What is the racial and ethnic makeup of William O Schaefer Elementary School?
The largest demographic group at William O Schaefer Elementary School is White at 59.0% of enrollment, in Tappan, NY. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 58.1/100.
What is the Resource Investment Index for William O Schaefer Elementary School?
William O Schaefer Elementary School has a Resource Investment Index of 48/100 (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 William O Schaefer Elementary School a good school?
William O Schaefer Elementary School earns 48/100 on the Resource Investment Index, with class sizes near the New York 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 South Orangetown Central School District?
Besides William O Schaefer Elementary School, South Orangetown Central School District also operates Tappan Zee High School (911 students), South Orangetown Middle School (641 students), and Cottage Lane Elementary School (636 students). See the South Orangetown Central School District 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.