Top Suffolk County Private High Schools

All Schools
(93) All Schools
(93)  High Schools
(22) High Schools
(22)  Elementary Schools
(63) Elementary Schools
(63)  Preschools
(71) Preschools
(71)  Public Schools
(342)
  • For the 2020 school year, there are 22 top private high schools in Suffolk County, New York, serving 7,472 students.
  • Minority enrollment is 30% of the student body, and the student:teacher ratio is 10:1.
  • 59% of schools are religiously affiliated (most commonly Roman Catholic and Christian).

Top Suffolk County Private High Schools (2020)

  • School Location Grades Students
  • Ross School
    Ross School Photo
    (3)
     18 Goodfriend Drive
    East Hampton, NY 11937
    (631)907-5400
    Grades: NS-12 | 368 students
  • Smithtown Christian School
    Smithtown Christian School Photo
    (Christian)
    (7)
     1 Higbie Dr
    Smithtown, NY 11787
    (631)265-3334
    Grades: K-12 | 347 students
  • The Stony Brook School
    The Stony Brook School Photo - The Stony Brook School, founded in 1922, is an independent college preparatory school (grades 7-12) that exists to challenge young men and women to know Jesus Christ as Lord, to love others as themselves, and to grow in knowledge and skill, in order that they may serve the world through their character and leadership. "Character Before Career"
    (Christian)
     1 Chapman Parkway
    Stony Brook, NY 11790
    (631)751-1800
    Grades: 7-12 | 412 students
  • Academy Of St. Joseph
    (Roman Catholic)
     1725 Brentwood Road Bldg 2
    Brentwood, NY 11717
    (631)273-2406
    Grades: K-12 | 385 students
  • Ascent School For Individuals With Autism
    Special Education School
     819 Grand Blvd Ste 2
    Deer Park, NY 11729
    (631)254-6100
    Grades: 6-12 | 22 students
  • Bishop Mcgann-mercy Diocesan High School
    (Roman Catholic)
     1225 Ostrander Ave
    Riverhead, NY 11901
    (631)727-5900
    Grades: 7-12 | 467 students
  • Cleary School For The Deaf
    Special Education School
     301 Smithtown Blvd
    Nesconset, NY 11767
    (631)588-0530
    Grades: NS-11 | 67 students
  • Gersh Academy
    Special Education School
     21 Sweet Hollow Rd # 2
    Huntington, NY 11743
    (631)385-3342
    Grades: 1-12 | 60 students
  • Gersh Academy- Inc
    Special Education School
     307 Eagle Ave
    West Hempstead, NY 11552
    Grades: K-12 | 109 students
  • International Christian School
    (Baptist)
     1266 N Country Rd
    Stony Brook, NY 11790
    (631)689-7660
    Grades: K-12 | n/a students
  • The Knox School
    The Knox School Photo - The Knox School Basketball Program is designed to prepare student-athletes for the next level on the court and in the classroom. These athletes will be challenged by playing the most competitive Prep basketball programs in the country. The students will gain exposure from these challenges and will receive top-flight academics that will help propel them to reach their goals.
    (5)
     541 Long Beach Road
    Saint James, NY 11780
    (631)686-1600
    Grades: 6-12 | 126 students
  • Leonard E Burket Christian School
    Leonard E Burket Christian School Photo
    (Assembly of God)
     34 Oak St
    Center Moriches, NY 11934
    (631)878-1727
    Grades: PK-12 | 90 students
  • Long Island Baptist Academy
    (Baptist)
     696 Union Ave
    Holtsville, NY 11742
    (631)447-2552
    Grades: 1-12 | 21 students
  • Long Island School For The Gifted
    Long Island School For The Gifted Photo
    Special Program Emphasis
     165 Pidgeon Hill Rd Ste 1
    Huntington Station, NY 11746
    (631)423-3557
    Grades: PK-9 | 212 students
  • Madonna Height School
    All-girls | Alternative School
     151 Burrs Ln
    Huntington Station, NY 11746
    (631)643-8800
    Grades: 7-12 | 38 students
  • MDQ Academy
    (Islamic)
    (1)
     1725 Brentwood Road, Bldg 2
    Brentwood, NY 11717
    (631)665-5036
    Grades: NS-12 | 316 students
  • Our Savior New American School
    (Lutheran Church Missouri Synod)
    (5)
     140 Mark Tree Rd
    Centereach, NY 11720
    (631)588-2757
    Grades: PK-12 | 235 students
  • St Anthonys High School
    (Roman Catholic)
     275 Wolf Hill Rd
    Melville, NY 11747
    (631)271-2020
    Grades: 9-12 | 2348 students
  • St John The Baptist Diocesan High School
    (Roman Catholic)
    (2)
     1170 Montauk Highway
    West Islip, NY 11795
    (631)587-8000
    Grades: 9-12 | 1556 students
  • Sunshine Alternative Education Center
    Alternative School
     468 Boyle Rd
    Port Jefferson Station, NY 11776
    Grades: 10-12 | 4 students
  • Upper Room Christian School
    Upper Room Christian School Photo - Several students are going to The School of Visual Arts after graduating this year.
    (Christian)
    (2)
     722 Deer Park Rd
    Huntington Station, NY 11746
    (631)242-5359
    Grades: K-12 | 212 students
  • Victory Christian Academy
    (Church of God)
     1343 Montauk Hwy
    Patchogue, NY 11772
    (631)654-9284
    Grades: PK-12 | 77 students
Recent Articles
5 Facts about Montessori, Waldorf & Reggio Emilia Schools
5 Facts about Montessori, Waldorf & Reggio Emilia Schools
We take a detailed look at the three popular early childhood methods to help you determine which one best suits your needs and requirements.
Running Your Private School
Running Your Private School
This article aggregates all the articles I have written about running a small private school. Use it as a handbook and a reminder of things you should look at from time to time.
The 21 Secrets of A+ Students
The 21 Secrets of A+ Students
Ever wish you could pick the brain of A+ students? Well, we did it for you — we spoke with dozens of students and educators to find out their secrets for success.
Quick Links
Most Popular Articles