William O Schaefer Elementary School

140 Lester Dr
Tappan, NY 10983
(School attendance zone shown in map)
William O Schaefer Elementary School serves 579 students in grades Kindergarten-2. 
The student-teacher ratio of 11:1 is equal to the New York state level of 11:1.
Minority enrollment is 40% of the student body (majority Hispanic), which is lower than the New York state average of 60% (majority Hispanic).

Quick Facts (2026)

  • Grades: Kindergarten-2
  • Enrollment: 579 students
  • Student-Teacher Ratio: 11:1
  • Minority Enrollment: 40%
  • Source: National Center for Education Statistics (NCES), NY Dept. of Education

School Overview

William O Schaefer Elementary School's student population of 579 students has stayed relatively flat over five school years.
The teacher population of 52 teachers has stayed relatively flat over five school years.
Grades Offered
Grades Kindergarten-2
(Supplemental Virtual)
No Summary generated because only 3 years of data available
Total Students
579 students
View AI Prompt
Gender %
Total Classroom Teachers
52 teachers
View AI Prompt
Last Day of School
Tue. Jun 30, 2026

School Rankings

The diversity score of William O Schaefer Elementary School is 0.57, which is less than the diversity score at state average of 0.72. The school's diversity has stayed relatively flat over five school years.
This School
State Level (NY)
Student-Teacher Ratio
11:1
11:1
View AI Prompt
American Indian
n/a
1%
Asian
7%
10%
View AI Prompt
Hispanic
26%
30%
View AI Prompt
Black
1%
15%
View AI Prompt
White
60%
40%
View AI Prompt
Hawaiian
n/a
n/a
Two or more races
6%
4%
View AI Prompt
All Ethnic Groups
0.57
View AI Prompt
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
17%
54%
View AI Prompt
Eligible for Reduced Lunch
1%
3%
View AI Prompt
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?
579 students attend William O Schaefer Elementary School.
What is the racial composition of the student body?
60% of William O Schaefer Elementary School students are White, 26% of students are Hispanic, 7% of students are Asian, 6% 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 Kindergarten-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

Quick Facts (2026)

  • Grades: Kindergarten-2
  • Enrollment: 579 students
  • Student-Teacher Ratio: 11:1
  • Minority Enrollment: 40%
  • Source: National Center for Education Statistics (NCES), NY Dept. of Education

Request Information

Quick Links