William O Schaefer Elementary School

140 Lester Dr
Tappan, NY 10983
(School attendance zone shown in map)
William O Schaefer Elementary School serves 559 students in grades Prekindergarten-2. 
The student-teacher ratio of 11:1 is equal to the New York state level of 11:1.
Minority enrollment is 41% of the student body (majority Hispanic), which is lower than the New York state average of 61% (majority Hispanic).

Quick Facts (2026)

  • Grades: Prekindergarten-2
  • Enrollment: 559 students
  • Student-Teacher Ratio: 11:1
  • Minority Enrollment: 41%
  • Source: National Center for Education Statistics (NCES), NY Dept. of Education

School Overview

William O Schaefer Elementary School's student population of 559 students has stayed relatively flat over five school years.
The teacher population of 51 teachers has stayed relatively flat over five school years.
Grades Offered
Grades Prekindergarten-2
(Supplemental Virtual)
Total Students
559 students
Total Classroom Teachers
51 teachers
School Calendar
Last Day of School
Tue. Jun 30, 2026

School Rankings

The diversity score of William O Schaefer Elementary School is 0.59, which is less than the diversity score at state average of 0.73. The school's diversity has stayed relatively flat over five school years.
This School
State Level (NY)
Student-Teacher Ratio
11:1
11:1
Asian
8%
10%
Hispanic
24%
31%
Black
1%
15%
White
59%
39%
Two or more races
8%
4%
All Ethnic Groups
0.59
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
15%
55%
Eligible for Reduced Lunch
1%
2%
School Statewide Testing
Source: National Center for Education Statistics (NCES), NY Dept. of Education

Frequently Asked Questions

How many students attend William O Schaefer Elementary School?
559 students attend William O Schaefer Elementary School.
What is the racial composition of the student body?
59% of William O Schaefer Elementary School students are White, 24% of students are Hispanic, 8% of students are Asian, 8% of students are Two or more races, and 1% of students are Black.
What is the student-teacher ratio of William O Schaefer Elementary School?
William O Schaefer Elementary School has a student ration of 11:1, which is equal to the New York state average of 11:1.
What grades does William O Schaefer Elementary School offer ?
William O Schaefer Elementary School offers enrollment in grades Prekindergarten-2 (Supplemental Virtual).
What school district is William O Schaefer Elementary School part of?
William O Schaefer Elementary School is part of South Orangetown Central School District.

School Reviews

Review William O Schaefer Elementary School. Reviews should be a few sentences in length. Please include any comments on:

  • Quality of academic programs, teachers, and facilities
  • Availability of music, art, sports and other extracurricular activities
Rate this school:

Recent Articles

When “Free Public School” Still Isn’t Free
When “Free Public School” Still Isn’t Free
Discover the hidden costs of public school in 2026, from supplies and fees to transportation, technology, and extracurricular expenses.
What a District Budget Cut Means for Your Child's School Experience
What a District Budget Cut Means for Your Child's School Experience
Learn how district budget cuts can affect class sizes, programs, staffing, transportation, and your child's daily school experience in 2026.
School Closure Risk: What Parents Should Check Before Moving
School Closure Risk: What Parents Should Check Before Moving
Learn how parents can assess school closure risk before buying or renting in a district, using enrollment, funding, and boundary data.

Quick Facts (2026)

  • Grades: Prekindergarten-2
  • Enrollment: 559 students
  • Student-Teacher Ratio: 11:1
  • Minority Enrollment: 41%
  • Source: National Center for Education Statistics (NCES), NY Dept. of Education

Request Information

Quick Links