Private School Review - Established 2003
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.
The Knox School

Best New York Private Schools Belonging to Middle States Association of Colleges and Secondary Schools (2025)

For the 2025 school year, there are 89 private schools belonging to Middle States Association of Colleges and Secondary Schools serving 33,640 students in New York. You can also find more schools membership associations in New York.
The top ranked private schools belonging to Middle States Association of Colleges and Secondary Schools in New York include Iona Preparatory School, The Knox School, and Aquinas Institute.
The average tuition cost is $19,472, which is lower than the New York private school average tuition cost of $22,321.
81% of private schools belonging to Middle States Association of Colleges and Secondary Schools in New York are religiously affiliated (most commonly Catholic and Christian).

Top Ranked Private Schools Belonging to Middle States Association of Colleges and Secondary Schools in New York (2025)

School
Location
Quick Facts
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
Gr: 9-12 | 804 students Avg. class size: 22 students Sports: 15 | Extracurrculars: 50 Tuition & acceptance rate listed
The Chapel School
The Chapel School Photo - The Chapel School's small class sizes ... max 14 in preschool, 18 in K-5 and 16 in middle school ... provide opportunities for personal, individualized instruction and a strong sense of community!
(Lutheran Church Missouri Synod)
(3)
172 White Plains Road
Bronxville, NY 10708
(914) 337-3202
Gr: NS-8 | 229 students Avg. class size: 12 students Sports: 7 | Extracurrculars: 11 Tuition & acceptance rate listed
Iona Preparatory School
Iona Preparatory School Photo
All-boys (Catholic)
(1)
255 Wilmot Road
New Rochelle, NY 10804
(914) 632-0714
Gr: PK-12 | 958 students Sports: 16 | Extracurrculars: 27 Tuition listed
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
Gr: 6-12 | 132 students Avg. class size: 12 students Sports: 9 | Extracurrculars: 31 Tuition & acceptance rate listed
Loyola School
Loyola School Photo
(Catholic)
980 Park Avenue
New York, NY 10028
(212) 288-3522
Gr: 9-12 | 204 students Avg. class size: 13 students Sports: 9 | Extracurrculars: 31 Tuition listed
Smithtown Christian School
Smithtown Christian School Photo
(Christian)
(8)
1 Higbie Dr
Smithtown, NY 11787
(631) 265-3334
Gr: PK-12 | 353 students Avg. class size: 18 students Sports: 6 | Extracurrculars: 16 Tuition & acceptance rate listed
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
Gr: 7-12 | 125 students Avg. class size: 15 students Sports: 6 | Extracurrculars: 8 Tuition & acceptance rate listed
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
Gr: 6-12 | 57 students Avg. class size: 1 student Tuition listed
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
Gr: NS-12 | 259 students Avg. class size: 15 students Sports: 8 | Extracurrculars: 25 Tuition listed
Ivy League School
Ivy League School Photo
(4)
211 Brooksite Drive
Smithtown, NY 11787
(631) 265-4177
Gr: PK-8 | 324 students Avg. class size: 12 students Sports: 9 | Extracurrculars: 6 Tuition & acceptance rate listed
Trinity Lutheran School
Trinity Lutheran School Photo
(Lutheran Church Missouri Synod)
(1)
40 W Nicholai St
Hicksville, NY 11801
(516) 931-2211
Gr: NS-8 | 210 students Avg. class size: 15 students Sports: 6 | Extracurrculars: 9 Tuition listed
Albertus Magnus High School
Albertus Magnus High School Photo
(Catholic)
798 Route 304
Nanuet, NY 10954
(845) 643-3870
Gr: 9-12 | 400 students Avg. class size: 24 students Sports: 16 | Extracurrculars: 21 Tuition listed
Amherst Christian Academy
Montessori School (Christian)
(1)
2625 Tonawanda Creek Rd
Buffalo, NY 14228
(716) 689-9944
Gr: NS-12 | 51 students Avg. class size: 9 students Sports: 4 | Extracurrculars: 2 Tuition & acceptance rate listed
Aquinas Institute
(Catholic)
1127 Dewey Ave
Rochester, NY 14613
(585) 254-2020
Gr: 6-12 | 705 students Avg. class size: 25 students Sports: 17 | Extracurrculars: 26 Tuition & acceptance rate listed
Buffalo Academy Of The Sacred Heart
Buffalo Academy Of The Sacred Heart Photo
All-girls (Catholic)
3860 Main Street
Buffalo, NY 14226
(716) 834-2101
Gr: 9-12 | 400 students Avg. class size: 18 students Sports: 15 | Extracurrculars: 17 Tuition listed
Cardinal Spellman High School
Cardinal Spellman High School Photo - Where boys and girls with dreams become men and women of vision.
(Catholic)
(2)
1 Cardinal Spellman Place
Bronx, NY 10466
(718) 881-8000
Gr: 9-12 | 1,205 student Avg. class size: 26 students Sports: 12 | Extracurrculars: 51 Tuition listed
The Charles Finney School
The Charles Finney School Photo - Varsity Girls Soccer
(11)
2070 Five Mile Line Road
Penfield, NY 14526
(585) 387-3770
Gr: PK-12 | 521 students Avg. class size: 25 students Sports: 9 | Extracurrculars: 7 Tuition & acceptance rate listed
Christian Central Academy
Christian Central Academy Photo - Front view of our main building, from Academy Street.
(Christian)
(8)
39 Academy St
Buffalo, NY 14221
(716) 634-4821
Gr: PK-12 | 245 students Avg. class size: 15 students Sports: 12 | Extracurrculars: 28 Tuition & acceptance rate listed
Dwight School
Dwight School Photo - Located steps away from Central Park on Manhattan's Upper West Side, Dwight has been igniting the spark of genius in every child since 1872.
Alternative School
291 Central Park West
New York, NY 10024
(212) 724-6360
Gr: PK-12 | 955 students Avg. class size: 15 students Sports: 15 | Extracurrculars: 30 Tuition listed
The Epiphany School
The Epiphany School Photo
(Catholic)
(1)
234 East 22nd Street
New York, NY 10010
(212) 473-4128
Gr: PK-8 | 530 students Avg. class size: 25 students Sports: 8 Tuition listed
Evangel Christian School
(Christian)
3921 Crescent St
Long Island City, NY 11101
(718) 397-9600
Gr: PK-12 | 453 students Avg. class size: 22 students Sports: 5 | Extracurrculars: 3
Hebrew Academy Of Nassau County
(Jewish)
240 Hempstead Avenue
West Hempstead, NY 11552
(516) 565-5640
Gr: NS-12 | 359 students
Holy Cross High School
(Catholic)
26-20 Francis Lewis Boulevard
Flushing, NY 11358
(718) 886-7250
Gr: 9-12 | 650 students Avg. class size: 24 students Sports: 15 | Extracurrculars: 28 Tuition listed
Immaculate Heart Elementary School Grades
Immaculate Heart Elementary School Grades Photo - IHC Primary School students reunite on the first day of school. The Primary School includes grades K-3, as well as the St. John Bosco Pre-School program, which offers programs for 3 and 4 year olds, as well as the area's first Junior Kindergarten for young 5-year olds and mature 4-year olds.
(Catholic)
(4)
1316 Ives Street
Watertown, NY 13601
(315) 788-4670
Gr: PK-5 | 226 students Avg. class size: 12 students Sports: 7 | Extracurrculars: 13 Tuition & acceptance rate listed
Iona Preparatory Lower School
Iona Preparatory Lower School Photo - Iona Preparatory School K-12 - Where Leaders Are Made
All-boys (Catholic)
(1)
173 Stratton Rd
New Rochelle, NY 10804
(914) 633-7744
Gr: PK-8 | 216 students Avg. class size: 15 students Tuition listed
John S Burke Catholic High School
(Catholic)
(2)
80 Fletcher St
Goshen, NY 10924
(845) 294-5481
Gr: 6-12 | 510 students Avg. class size: 18 students Sports: 19 | Extracurrculars: 17 Tuition listed
Long Island Lutheran Middle & High School
Long Island Lutheran Middle & High School Photo
(Lutheran Church Missouri Synod)
(14)
131 Brookville Road
Glen Head, NY 11545
(516) 626-1736
Gr: 6-12 | 454 students Avg. class size: 16 students Sports: 15 | Extracurrculars: 32 Tuition listed
Loudonville Christian School
Loudonville Christian School Photo - Come visit our beautiful and inviting campus!
(Christian)
374 Loudon Road
Albany, NY 12211
(518) 434-6051
Gr: PK-12 | 201 students Avg. class size: 15 students Sports: 8 | Extracurrculars: 11 Tuition & acceptance rate listed
The Masters School
The Masters School Photo - The Masters School, located on a sprawling, 96-acre campus near the Hudson river, was founded in 1877.
(2)
49 Clinton Avenue
Dobbs Ferry, NY 10522
(914) 479-6400
Gr: 5-12 | 693 students Avg. class size: 14 students Sports: 15 | Extracurrculars: 40 Tuition & acceptance rate listed
Mcquaid Jesuit
All-boys (Catholic)
(4)
1800 Clinton Avenue S
Rochester, NY 14618
(585) 256-6145
Gr: 6-12 | 734 students Avg. class size: 23 students Tuition & acceptance rate listed
New York Military Academy
New York Military Academy Photo
(2)
78 Academy Ave
Cornwall On Hudson, NY 12520
(845) 618-7335
Gr: 7-12 | 80 students Avg. class size: 8 students Sports: 18 | Extracurrculars: 12 Tuition & acceptance rate listed
Notre Dame Academy Elementary School
All-girls (Catholic)
78 Howard Ave
Staten Island, NY 10301
(718) 273-4335
Gr: PK-8 | 236 students Avg. class size: 15 students Tuition & acceptance rate listed
Notre Dame School
Notre Dame School Photo
All-girls (Catholic)
(2)
327 W 13th St
New York, NY 10014
(212) 620-5575
Gr: 9-12 | 363 students Avg. class size: 28 students Sports: 8 Tuition & acceptance rate listed
Notre Dame School
(Catholic)
(1)
25 Mayfair Road
New Hyde Park, NY 11040
(516) 354-5618
Gr: PK-8 | 375 students Sports: 4 | Extracurrculars: 4 Tuition & acceptance rate listed
Our Lady Of Lourdes High School
(Catholic)
131 Boardman Rd
Poughkeepsie, NY 12603
(845) 463-0400
Gr: 9-12 | 733 students Sports: 20 Tuition listed
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