Bay Ridge Preparatory School Photo - With a fresh approach to education, Bay Ridge Prep gives students an enriching experience that lasts a lifetime. Curiosity is stimulated, confidence is built, character is strengthened and socially-responsible citizens are graduated and prepared to be leaders of a global society.

Top 20 Best New York Private High Schools Belonging to No Membership Association (2025)

For the 2025 school year, there are 556 private high schools belonging to No Membership Association in New York. You can also find more schools membership associations in New York.
The top ranked private high schools belonging to No Membership Association in New York include Friends Academy, BASIS Independent Brooklyn, and Avenues The World School.

Top Ranked Private High Schools Belonging to No Membership Association in New York (2025)

School
Location
Grades
Students
Adelphi Academy of Brooklyn
Adelphi Academy of Brooklyn Photo - Adelphi Academy of Brooklyn's historic Bay Ridge campus is located at 8515 Ridge Boulevard, in the heart of Bay Ridge, Brooklyn. .
(8)
8515 Ridge Boulevard
Brooklyn, NY 11209
(718) 238-3308
Grades: NS-12
| 235 students
Archbishop Stepinac High School
Archbishop Stepinac High School Photo - College Starts Here
All-boys (Catholic)
(1)
950 Mamaroneck Ave
White Plains, NY 10605
(914) 946-4800
Grades: 9-12
| 804 students
Avenues The World School
Avenues The World School Photo - Avenues Early Learning Center Classroom
(3)
259 10th Avenue
New York, NY 10001
(646) 664-0800
Grades: NS-12
| 1,976 students
556 Columbia Street
Brooklyn, NY 11231
(929) 626-5001
Grades: PK-12
| 674 students
795 Columbus Avenue
New York, NY 10025
(929) 930-4798
Grades: PK-12
| 290 students
8101 Ridge Boulevard
Brooklyn, NY 11209
(718) 833-9090
Grades: K-12
| 367 students
Birch Wathen Lenox School
Birch Wathen Lenox School Photo - The Birch Wathen Lenox School
(10)
210 E 77th Street
New York, NY 10075
(212) 861-0404
Grades: K-12
| n/a students
Buffalo Seminary
Buffalo Seminary Photo - Founded in 1851, and in this building since 1909, Buffalo Seminary is on the National Register of Historic Places. Our campus includes 5 faculty and student residences in adjacent restored historic homes, and Larkin Field, a 5-minute walk away on a leafy parkway.
All-girls
(12)
205 Bidwell Parkway
Buffalo, NY 14222
(716) 885-6780
Grades: 9-12
| 160 students
Friends Academy
Friends Academy Photo
(Friends)
(11)
270 Duck Pond Road
Locust Valley, NY 11560
(516) 676-0393
Grades: NS-12
| 769 students
Grace Church School
Grace Church School Photo
(Episcopal)
(5)
86 4th Ave
New York, NY 10003
(212) 475-5609
Grades: PK-12
| 782 students
Iona Preparatory School
Iona Preparatory School Photo
All-boys (Catholic)
(1)
255 Wilmot Road
New Rochelle, NY 10804
(914) 632-0714
Grades: PK-12
| 958 students
The Knox School
The Knox School Photo - Founded in 1904, The Knox School is Long Island`s oldest established private school. Our inclusive environment serves grades 6-12 and Post-Graduate, providing students with a broad world perspective and a wide range of skills to prepare them for the next phase of their journeys.
(9)
541 Long Beach Road
Saint James, NY 11780
(631) 686-1600
Grades: 6-12
| 132 students
Lycee Francais de New York
Lycee Francais de New York Photo
(1)
505 East 75th Street
New York, NY 10021
(212) 369-1400
Grades: NS-12
| 1,233 students
Manlius Pebble Hill School
Manlius Pebble Hill School Photo - The opening day Handshake Ceremony is a tradition that dates back generations, with the entire student body along with faculty and staff to welcome each other into a new academic year. Handshakes, hugs, high fives, fist bumps, waves, and rock-paper-scissors are all forms of greetings.
(1)
5300 Jamesville Rd
Syracuse, NY 13214
(315) 446-2452
Grades: PK-12
| 332 students
132 W 60th St
New York, NY 10023
(212) 582-3116
Grades: 6-12
| 125 students
Saint Therese Classical Academy and Chesterton Academy
Saint Therese Classical Academy and Chesterton Academy Photo - Our friends from Korea!
Special Program Emphasis (Catholic)
(4)
3348 State Route 208 Building 2
Campbell Hall, NY 10916
(845) 610-5288
Grades: K-12
| 79 students
Smithtown Christian School
Smithtown Christian School Photo
(Christian)
(8)
1 Higbie Dr
Smithtown, NY 11787
(631) 265-3334
Grades: PK-12
| 353 students
THINK Global School
THINK Global School Photo - THINK Global School is comprised of 41 high school students who hail from all over the world. It's an opportunity to live next to and learn from a truly global student body.
960 Madison Avenue Fifth Floor
New York, NY 10021
(646) 808-0675
Grades: 10-12
| 36 students
Tuxedo Park School
Tuxedo Park School Photo - At Tuxedo Park School, every teacher knows every child. Our small size allows us to administer differentiated instruction at all levels and to challenge the most advanced students while supporting those who need additional or varied instruction.
(9)
Mountain Farm Rd
Tuxedo Park, NY 10987
(845) 351-4737
Grades: NS-9
| 225 students
Vincent Smith School
Vincent Smith School Photo - Upper School entrance
Special Education School
(3)
322 Port Washington Blvd
Port Washington, NY 11050
(516) 365-4900
Grades: 1-12
| 54 students
The Waldorf School Of Garden City
The Waldorf School Of Garden City Photo - Welcome to the Waldorf School of Garden City!
Special Program Emphasis
(9)
225 Cambridge Avenue
Garden City, NY 11530
(516) 742-3434
Grades: NS-12
| 300 students
The Windsor School
The Windsor School Photo - Each year, our graduation ceremony takes places at Queens Botanical Garden. We are proud of our 100% graduation rate each year dating back to 1969, our first graduating class. Our graduates gain acceptance to top colleges and universities with substantial scholarship offers.
(10)
37-02 Main Street
Flushing, NY 11354
(718) 359-8300
Grades: 7-12
| 125 students
ACADEMICS WEST
ACADEMICS WEST Photo
Special Education School
(12)
37 west 65th street, Floor 5
New York, NY 10023
(212) 580-0080
Grades: K-12
| 80 students
Bovina Center Montessori School
Bovina Center Montessori School Photo
Montessori School
2121 County Rd 5
Bovina Center, NY 13740
(607) 832-4956
Grades: NS-12
| 70 students
20 Waterside Plaza
New York, NY 10010
(212) 481-2700
Grades: PK-12
| 308 students
EF Academy New York
EF Academy New York Photo - EF Academy New York hosts 260 students from over 60 different countries, including the United States.
(9)
582 Columbus Avenue
Thornwood, NY 10594
(914) 495-6028
Grades: 9-12
| 259 students
Fusion Academy Brooklyn
Fusion Academy Brooklyn Photo - Each Fusion campus has a state-of-the-art music studio with professional-grade tools. Students can explore instruments, vocals, songwriting, DJ performing arts, and more.
Alternative School
(1)
1 Metrotech Center North, Suite 1004
Brooklyn, NY 11201
(877) 673-8893
Grades: 6-12
| 57 students
260 Crossways Park Drive, Suite A
Woodbury, NY 11797
(877) 673-8893
Grades: 6-12
| 34 students
Fusion Academy Upper West Side
Fusion Academy Upper West Side Photo - Students get to be up close to everything in our science lab. In the one-to-one classroom students are always involved in experiments and have a hands-on approach to learning. We have college-level tools available and the world can be their classroom if they choose to venture out of the science lab.
Alternative School
157 Columbus Avenue, 3rd Floor
New York, NY 10023
(877) 673-8893
Grades: 6-12
| 59 students
Fusion Academy Westchester
Fusion Academy Westchester Photo - Each Fusion campus has a state-of-the-art music studio with professional-grade tools. Students can explore instruments, vocals, songwriting, DJ performing arts, and more.
Special Education School
1 North Broadway, Suite 120
White Plains, NY 10601
(877) 673-8893
Grades: 6-12
| n/a students
Garden School
Garden School Photo - Our goal from the earliest grades through high school is to develop lifelong learners who excel in academics and individuals who enhance Garden School and the college they later attend. All students have their own strengths, weaknesses, talents, and dreams. The college search seeks to find the best match for our graduates, places where they can thrive and learn.
(40)
3316 79th St
Jackson Heights, NY 11372
(718) 335-6363
Grades: NS-12
| 259 students
Green Meadow Waldorf School
Green Meadow Waldorf School Photo - Green Meadow`s middle school academic curriculum engages the budding capacities and immense curiosity of the young teenager. Through practical interdisciplinary experiences, age appropriate challenges, and meaningful social interactions, students thrive academically and emotionally. Every day, students take part in immersive, explorative inquiry, broadening and deepening their understanding of the world.
(14)
307 Hungry Hollow Road
Spring Valley, NY 10977
(845) 356-2514
Grades: NS-12
| 272 students
Harmony Christian School
Harmony Christian School Photo - Getting our gym ready for the 2018-2019 school year
(Christian)
(4)
1790 Route 211 E
Middletown, NY 10941
(845) 692-5353
Grades: PK-12
| 198 students
The IDEAL School of Manhattan
The IDEAL School of Manhattan Photo - Students show the kindness snowflakes that they made.
Special Program Emphasis
(5)
5 Hanover Square
New York, NY 10004
(212) 769-1699
Grades: K-12
| 172 students
The Kew-Forest School
The Kew-Forest School Photo - At The Kew-Forest School, you will find a community that nurtures lifelong learners, educators who inspire young people, and students who support each other. Established in 1918, Kew-Forest is the oldest independent co-ed, college preparatory school in Queens for students in Preschool through Grade 12. For more info, visit kewforest.org.
119-17 Union Tpke
Forest Hills, NY 11375
(718) 268-4667
Grades: NS-12
| 207 students
Show 100 more private schools in New York (out of 556 total schools)
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