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Best New York Private Schools Belonging to New York State Association of Independent Schools (NYSAIS) (2026-27)

For the 2026-27 school year, there are 145 private schools belonging to New York State Association of Independent Schools (NYSAIS) serving 48,801 students in New York. You can also find more schools membership associations in New York.
The top ranked private schools belonging to New York State Association of Independent Schools (NYSAIS) in New York include Professional Children's School, Friends Academy, and The Knox School.
The average tuition cost is $45,865, which is higher than the New York private school average tuition cost of $21,622.
26% of private schools belonging to New York State Association of Independent Schools (NYSAIS) in New York are religiously affiliated (most commonly Catholic and Episcopal).

Quick Facts (2026-27)

  • # Private Schools: 145

Quick Facts (2026-27)

  • # Private Schools: 145

Top Ranked Private Schools Belonging to New York State Association of Independent Schools (NYSAIS) in New York (2026-27)

Avenues The World School Photo
Avenues The World School
Gr: NS-12 | 1,872 students
Sports: 15 | Extracurriculars: 99
259 10th Avenue
New York, NY 10001
(646) 664-0800
(4)
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Bay Ridge Preparatory School Photo
Bay Ridge Preparatory School
Gr: K-12 | 367 students
Avg. class size: 15 students
Sports: 12 | Extracurriculars: 28
8101 Ridge Boulevard
Brooklyn, NY 11209
(718) 833-9090
(5)
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Birch Wathen Lenox School Photo
Birch Wathen Lenox School
Gr: K-12 | 336 students
Avg. class size: 12 students
Sports: 11 | Extracurriculars: 16
210 E 77th Street
New York, NY 10075
(212) 861-0404
(10)
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Buffalo Seminary Photo
Buffalo Seminary
Gr: 9-12 | 160 students
Avg. class size: 10 students
Sports: 16 | Extracurriculars: 34
All-girls
205 Bidwell Parkway
Buffalo, NY 14222
(716) 885-6780
(12)
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The Cathedral School Of St. John The Divine Photo
The Cathedral School Of St. John The Divine
Gr: K-8 | 251 students
Sports: 8 | Extracurriculars: 3
Episcopal
1047 Amsterdam Ave
New York, NY 10025
(212) 316-7500
(9)
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Columbia Grammar & Preparatory School Photo
Columbia Grammar & Preparatory School
Gr: PK-12 | 1,167 students
Avg. class size: 14 students
Sports: 14 | Extracurriculars: 74
5 W 93rd St
New York, NY 10025
(212) 749-6200
(3)
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Friends Academy Photo
Friends Academy
Gr: NS-12 | 769 students
Avg. class size: 12 students
Sports: 18 | Extracurriculars: 46
Friends
270 Duck Pond Road
Locust Valley, NY 11560
(516) 676-0393
(11)
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Grace Church School Photo
Grace Church School
Gr: PK-12 | 850 students
Avg. class size: 18 students
Sports: 14
Episcopal
86 4th Ave
New York, NY 10003
(212) 475-5609
(5)
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The IDEAL School of Manhattan Photo
The IDEAL School of Manhattan
Gr: K-12 | 172 students
Avg. class size: 14 students
Sports: 5 | Extracurriculars: 10
Specialized Curriculum
5 Hanover Square
New York, NY 10004
(212) 769-1699
(5)
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The Kew-Forest School Photo
The Kew-Forest School
Gr: NS-12 | 207 students
Avg. class size: 12 students
Sports: 12 | Extracurriculars: 23
119-17 Union Tpke
Forest Hills, NY 11375
(718) 268-4667
(2)
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The Knox School Photo
The Knox School
Gr: 6-12 | 121 students
Avg. class size: 12 students
Sports: 9 | Extracurriculars: 39
541 Long Beach Road
Saint James, NY 11780
(631) 686-1600
(10)
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Lycee Francais de New York Photo
Lycee Francais de New York
Gr: NS-12 | 1,233 students
Avg. class size: 18 students
Sports: 9 | Extracurriculars: 33
505 East 75th Street
New York, NY 10021
(212) 369-1400
(1)
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Professional Children's School Photo
Professional Children's School
Gr: 4-12 | 137 students
Avg. class size: 12 students
Extracurriculars: 19
132 W 60th St
New York, NY 10023
(212) 582-4089
(6)
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Robert C Parker School Photo
Robert C Parker School
Gr: PK-8 | 132 students
Avg. class size: 12 students
Sports: 16 | Extracurriculars: 4
4254 Ny Highway 43
Wynantskill, NY 12198
(518) 286-3449
(8)
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Rodeph Sholom School Photo
Rodeph Sholom School
Gr: NS-8 | 427 students
Sports: 8 | Extracurriculars: 7
Jewish
10 West 84th Street & 168 West 79th Street
New York, NY 10024
(646) 438-8600
(9)
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Tuxedo Park School Photo
Tuxedo Park School
Gr: NS-9 | 127 students
Avg. class size: 12 students
Sports: 9 | Extracurriculars: 11
Mountain Farm Rd
Tuxedo Park, NY 10987
(845) 351-4737
(9)
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Vincent Smith School Photo
Vincent Smith School
Gr: 1-12 | 54 students
Avg. class size: 6 students
Extracurriculars: 10
Special Education School
322 Port Washington Blvd
Port Washington, NY 11050
(516) 365-4900
(3)
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The Waldorf School Of Garden City Photo
The Waldorf School Of Garden City
Gr: NS-12 | 300 students
Avg. class size: 18 students
Sports: 11 | Extracurriculars: 13
Specialized Curriculum
225 Cambridge Avenue
Garden City, NY 11530
(516) 742-3434
(9)
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Windsor School Photo
Windsor School
Gr: 7-12 | 125 students
Avg. class size: 15 students
Sports: 3 | Extracurriculars: 9
37-02 Main Street
Flushing, NY 11354
(718) 359-8300
(10)
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Winston Preparatory School NY Photo
Winston Preparatory School NY
Gr: 4-12
Sports: 6 | Extracurriculars: 28
Special Education School
126 West 17th Street
New York, NY 10011
(212) 496-8400
(5)
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Frequently Asked Questions

What are the top ranked private schools belonging to New York State Association of Independent Schools (NYSAIS) in New York?
The top ranked private schools belonging to New York State Association of Independent Schools (NYSAIS) in New York include Professional Children's School, Friends Academy, and The Knox School.
How many private schools belonging to New York State Association of Independent Schools (NYSAIS) are located in New York?
145 private schools belonging to New York State Association of Independent Schools (NYSAIS) are located in New York.
How much do private schools belonging to New York State Association of Independent Schools (NYSAIS) cost in New York?
The average tuition cost is $45,865, which is higher than the New York private school average tuition cost of $21,622.
How diverse are private schools belonging to New York State Association of Independent Schools (NYSAIS) in New York?
New York private schools belonging to New York State Association of Independent Schools (NYSAIS) are approximately 35% minority students, which is lower than the New York private school average of 39%.
What percentage of private schools belonging to New York State Association of Independent Schools (NYSAIS) are religiously affiliated in New York?
26% of private schools belonging to New York State Association of Independent Schools (NYSAIS) in New York are religiously affiliated (most commonly Catholic and Episcopal).
145
Private Schools
48,801
Students
$45,865
Avg. Tuition
35%
Students of Color
6:1
Student-Teacher Ratio

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