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William O Schaefer Elementary School

140 Lester Dr
Tappan, NY 10983

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Tel: (845) 680-1303

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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)

View Data

Distribution of Students By Grade Trends
Grade	William O Schaefer Elementary School
Pre-K	18
Kind	179
1	172
2	190

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Total Students

559 students

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Total Students Trends Over Years (1989-2025)
Year	William O Schaefer Elementary School
2025	559
2024	579
2023	576
2022	576
2021	577
2020	582
2019	582
2018	565
2017	565
2016	578
2015	596
2014	402
2013	416
2012	427
2011	520
2010	524
2009	541
2008	489
2007	511
2006	498
2005	537
2004	534
2003	528
2002	505
2001	452
2000	443
1999	450
1998	452
1997	423
1996	387
1995	375
1994	416
1993	385
1992	359
1991	375
1990	366
1989	343

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Total Classroom Teachers

51 teachers

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Total Classroom Teachers Trends Over Years (1988-2025)
Year	William O Schaefer Elementary School
2025	51
2024	52
2023	52
2022	52
2021	52
2020	44
2019	44
2018	45
2017	45
2016	42
2015	42
2014	33
2013	34
2012	37
2011	49
2010	43
2009	39
2008	38
2007	42
2006	40
2005	40
2003	37
2002	34
2001	32
2000	30
1999	29
1998	29
1997	27
1996	26
1995	25
1994	26
1993	22
1992	20
1991	21
1990	18
1989	26
1988	48

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School Rankings

The 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

View Data

Student-Teacher Ratio Comparison Over Years (1988-2025)
Year	William O Schaefer Elementary School	New York	South Orangetown Central School District
2025	11:1	11:1
2024	11:1	11:1
2023	11:1	12:1	10:1
2022	11:1	12:1	11:1
2021	11:1	12:1	11:1
2020	13:1	13:1	13:1
2019	13:1	13:1	13:1
2018	13:1	14:1	13:1
2017	13:1	14:1	13:1
2016	14:1	14:1	13:1
2015	14:1	14:1	13:1
2014	12:1	14:1	13:1
2013	12:1	14:1	13:1
2012	12:1	14:1	14:1
2011	11:1	13:1	13:1
2010	12:1	13:1	13:1
2009	14:1	13:1	13:1
2008	13:1	13:1	13:1
2007	12:1	14:1	13:1
2006	12:1	14:1	13:1
2005	13:1	14:1	14:1
2003	14:1	13:1	14:1
2002	15:1	14:1	14:1
2001	14:1	14:1	13:1
2000	15:1	14:1	13:1
1999	16:1	14:1	14:1
1998	16:1	14:1	14:1
1997	16:1	15:1	14:1
1996	15:1	15:1	14:1
1995	15:1	15:1	13:1
1994	16:1	15:1	14:1
1993	18:1	15:1	15:1
1992	18:1	14:1	15:1
1991	18:1	13:1	13:1
1990	20:1	13:1	13:1
1989	13:1	13:1	12:1
1988	18:1	14:1	13:1

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American Indian

n/a

Asian

10%

View Data

Asian Student Percentage Comparison Over Years (1989-2025)
Year	William O Schaefer Elementary School	New York	South Orangetown Central School District
2025	8%	10%
2024	7%	10%
2023	7%	10%	10%
2022	8%	10%	10%
2021	9%	10%	10%
2020	8%	9%	9%
2019	8%	9%	9%
2018	7%	9%	9%
2017	7%	9%	9%
2016	7%	9%	9%
2015	7%	9%	8%
2014	7%	9%	9%
2013	9%	9%	10%
2012	9%	9%	10%
2011	6%	8%	11%
2010	7%	8%	11%
2009	11%	9%	12%
2008	10%	8%	12%
2007	9%	8%	11%
2006	8%	7%	12%
2005	7%	7%	12%
2004	8%	7%	12%
2003	10%	6%	13%
2002	11%	6%	12%
2001	10%	7%	14%
2000	11%	6%	14%
1999	13%	6%	15%
1998	12%	5%	15%
1997	10%	5%	15%
1996	10%	5%	16%
1995	15%	5%	17%
1994	17%	5%	17%
1993	16%	5%	17%
1992	13%	4%	15%
1991	12%	4%	15%
1990	15%	5%	13%
1989	21%	4%	16%

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Hispanic

24%

31%

View Data

Hispanic Student Percentage Comparison Over Years (1989-2025)
Year	William O Schaefer Elementary School	New York	South Orangetown Central School District
2025	24%	31%
2024	26%	30%
2023	23%	29%	22%
2022	22%	29%	20%
2021	21%	28%	18%
2020	21%	27%	17%
2019	21%	27%	17%
2018	19%	26%	16%
2017	19%	26%	16%
2016	18%	26%	14%
2015	15%	25%	12%
2014	14%	25%	11%
2013	13%	24%	10%
2012	11%	23%	10%
2011	12%	22%	9%
2010	11%	22%	9%
2009	8%	21%	7%
2008	9%	21%	7%
2007	8%	21%	7%
2006	10%	20%	7%
2005	11%	20%	7%
2004	9%	19%	7%
2003	6%	19%	6%
2002	8%	19%	7%
2001	7%	18%	6%
2000	5%	18%	5%
1999	6%	18%	6%
1998	4%	18%	5%
1997	4%	18%	5%
1996	4%	17%	6%
1995	5%	17%	5%
1994	6%	17%	6%
1993	5%	16%	6%
1992	4%	16%	5%
1991	6%	15%	6%
1990	4%	14%	5%
1989	3%	15%	4%

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Black

15%

View Data

Black Student Percentage Comparison Over Years (1989-2025)
Year	William O Schaefer Elementary School	New York	South Orangetown Central School District
2025	1%	15%
2024	1%	15%
2023	2%	16%	3%
2022	2%	16%	3%
2021	2%	17%	3%
2020	1%	17%	3%
2019	1%	17%	3%
2018	2%	17%	2%
2017	2%	17%	2%
2016	1%	18%	1%
2015	1%	18%	1%
2014	1%	18%	2%
2013	1%	18%	2%
2012	1%	18%	2%
2011	2%	19%	2%
2010	4%	19%	3%
2009	3%	19%	2%
2008	2%	20%	2%
2007	2%	19%	2%
2006	2%	20%	2%
2005	2%	20%	3%
2004	3%	20%	3%
2003	1%	20%	3%
2002	2%	20%	3%
2001	1%	20%	3%
2000	1%	21%	3%
1999	3%	21%	3%
1998	3%	20%	3%
1997	3%	20%	3%
1996	1%	20%	2%
1995	1%	20%	2%
1994	2%	20%	2%
1993	2%	20%	2%
1992	2%	20%	2%
1991	4%	20%	3%
1990	4%	20%	3%
1989	1%	20%	2%

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White

59%

39%

View Data

White Student Percentage Comparison Over Years (1989-2025)
Year	William O Schaefer Elementary School	New York	South Orangetown Central School District
2025	59%	39%
2024	60%	40%
2023	62%	40%	59%
2022	61%	41%	61%
2021	61%	41%	63%
2020	64%	43%	66%
2019	64%	43%	66%
2018	67%	44%	70%
2017	67%	44%	70%
2016	69%	44%	74%
2015	72%	45%	77%
2014	74%	46%	77%
2013	71%	47%	77%
2012	75%	48%	78%
2011	77%	49%	77%
2010	78%	51%	77%
2009	78%	51%	79%
2008	79%	51%	79%
2007	81%	52%	80%
2006	80%	53%	79%
2005	80%	53%	78%
2004	80%	54%	78%
2003	83%	55%	78%
2002	79%	55%	78%
2001	82%	55%	77%
2000	83%	55%	78%
1999	78%	55%	76%
1998	81%	57%	77%
1997	83%	57%	77%
1996	85%	58%	76%
1995	79%	58%	76%
1994	75%	58%	75%
1993	77%	59%	75%
1992	81%	60%	78%
1991	78%	61%	76%
1990	77%	61%	78%
1989	74%	61%	78%

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Hawaiian

n/a

Two or more races

View Data

Two or More Races Student Percentage Comparison Over Years (2011-2025)
Year	William O Schaefer Elementary School	New York	South Orangetown Central School District
2025	8%	4%
2024	6%	4%
2023	6%	4%	6%
2022	7%	3%	6%
2021	7%	3%	6%
2020	6%	3%	5%
2019	6%	3%	5%
2018	5%	2%	3%
2017	5%	2%	3%
2016	5%	2%	2%
2015	5%	2%	2%
2014	4%	1%	1%
2013	6%	1%	1%
2012	4%	1%
2011	3%	1%	1%

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All Ethnic Groups

0.59

0.73

View Data

Diversity Score Comparison Over Years (1989-2025)
Year	William O Schaefer Elementary School	New York	South Orangetown Central School District
2025	0.59	0.72
2024	0.57	0.72
2023	0.56	0.73	0.55
2022	0.57	0.72	0.53
2021	0.58	0.72	0.51
2020	0.54	0.71	0.49
2019	0.54	0.71	0.49
2018	0.51	0.71	0.44
2017	0.51	0.71	0.44
2016	0.49	0.70	0.43
2015	0.46	0.70	0.40
2014	0.43	0.69	0.38
2013	0.47	0.69	0.39
2012	0.42	0.68	0.38
2011	0.40	0.68	0.39
2010	0.39	0.66	0.37
2009	0.38	0.66	0.36
2008	0.36	0.66	0.35
2007	0.33	0.65	0.35
2006	0.35	0.64	0.35
2005	0.35	0.64	0.37
2004	0.35	0.63	0.37
2003	0.30	0.62	0.37
2002	0.36	0.62	0.38
2001	0.32	0.63	0.38
2000	0.30	0.62	0.38
1999	0.37	0.62	0.41
1998	0.33	0.61	0.39
1997	0.30	0.61	0.39
1996	0.27	0.60	0.39
1995	0.35	0.60	0.40
1994	0.41	0.60	0.41
1993	0.38	0.59	0.40
1992	0.33	0.58	0.38
1991	0.38	0.57	0.39
1990	0.38	0.57	0.37
1989	0.41	0.57	0.37

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(22-23)

16.3%

34.8%

View Data

Chronic Absenteeism Rate (2021-2023)
Year	William O Schaefer Elementary School	New York	South Orangetown Central School District
2023	16.3%	34.8%	16%
2022	14.5%	38.5%	14%
2021	3.6%	27.7%	8.1%

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Participates in the

Yes

Eligible for

15%

55%

View Data

Free Lunch Eligibility Comparison Over Years (1994-2025)
Year	William O Schaefer Elementary School	New York	South Orangetown Central School District
2025	15%	55%
2024	17%	54%
2023	16%	53%	17%
2022	7%	51%	13%
2021	13%	52%	13%
2020	10%	50%	12%
2019	10%	50%	12%
2018	13%	48%	12%
2017	13%	48%	12%
2016	12%	44%	11%
2015	10%	45%	8%
2014	8%	42%	7%
2013	9%	41%	6%
2012	7%	42%	6%
2011	6%	41%	5%
2010	5%	16%	5%
2009	4%	37%	4%
2008	4%	36%	3%
2007	5%	36%	4%
2006	3%	37%	4%
2005	3%	14%	3%
2003	4%	13%	5%
2002	2%	36%	3%
2001	4%	36%	5%
2000	3%	37%	6%
1999	3%	38%	4%
1998	3%	37%	5%
1997	3%	38%	4%
1996	3%	13%	3%
1995	6%	13%	8%
1994	6%	12%	5%

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Eligible for

View Data

Reduced-Price Lunch Eligibility Comparison Over Years (2003-2025)
Year	William O Schaefer Elementary School	New York	South Orangetown Central School District
2025	1%	2%
2024	1%	3%
2023	1%	3%	2%
2022	1%	3%	1%
2021	1%	3%	1%
2020	3%	4%	3%
2019	3%	4%	3%
2018	2%	5%	1%
2017	2%	5%	1%
2016	1%	5%	1%
2015	1%	6%	2%
2014	2%	5%	2%
2013	3%	7%	2%
2012	2%	7%	2%
2011	1%	7%	2%
2010	2%	5%	2%
2009	1%	8%	2%
2008	1%	8%	2%
2007	2%	8%	2%
2005	1%	5%	1%
2003	2%	4%	3%

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School Statewide Testing

View Education Department Test Scores

School District Name

South Orangetown Central School District

Source: National Center for Education Statistics (NCES), NY Dept. of Education

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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

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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

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