For the 2025 school year, there are 25 private high schools serving 6,544 students in Suffolk County, NY.
The top ranked private high schools in Suffolk County, NY include The Stony Brook School, The Knox School, and St. John The Baptist Diocesan High School.
The average acceptance rate is 70%, which is lower than the New York private high school average acceptance rate of 73%.
Top Ranked Suffolk County Private High Schools (2025)
School
Location
Grades
Students
541 Long Beach Road
Saint James, NY 11780
(631) 686-1600
Saint James, NY 11780
(631) 686-1600
Grades: 6-12
| 120 students
1 Higbie Dr
Smithtown, NY 11787
(631) 265-3334
Smithtown, NY 11787
(631) 265-3334
Grades: PK-12
| 353 students
Crestwood Country Day School
Daycare / Preschool
313 Round Swamp Rd
Melville, NY 11747
(631) 692-6361
Melville, NY 11747
(631) 692-6361
Grades: PK-12
| 346 students
St. Anthony's High School
(Catholic)
275 Wolf Hill Rd
Melville, NY 11747
(631) 271-2020
Melville, NY 11747
(631) 271-2020
Grades: 9-12
| 2,305 students
1170 Montauk Highway
West Islip, NY 11795
(631) 587-8000
West Islip, NY 11795
(631) 587-8000
Grades: 9-12
| 1,200 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"]( "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
Stony Brook, NY 11790
(631) 751-1800
Grades: 7-12
| 460 students
722 Deer Park Rd
Huntington Station, NY 11746
(631) 242-5359
Huntington Station, NY 11746
(631) 242-5359
Grades: PK-12
| 212 students
175 Wolf Hill Road
Melville, NY 11747
(631) 423-2658
Melville, NY 11747
(631) 423-2658
Grades: K-12
| 25 students
Ascent School For Individuals With Autism
Special Education School
819 Grand Blvd Ste 2
Deer Park, NY 11729
(631) 254-6100
Deer Park, NY 11729
(631) 254-6100
Grades: 5-12
| 19 students
The Children's Center At Ucp
Special Education School
250 Marcus Blvd
Hauppauge, NY 11788
(631) 543-2338
Hauppauge, NY 11788
(631) 543-2338
Grades: K-12
| 51 students
Cleary School For The Deaf
Special Education School
301 Smithtown Blvd
Nesconset, NY 11767
(631) 831-5764
Nesconset, NY 11767
(631) 831-5764
Grades: PK-12
| 66 students
Gersh Academy
Special Education School
21 Sweet Hollow Rd # 2
Huntington, NY 11743
(516) 986-9580
Huntington, NY 11743
(516) 986-9580
Grades: K-12
| 121 students
Gersh Academy- Inc
Special Education School
307 Eagle Ave
West Hempstead, NY 11552
(516) 986-9580
West Hempstead, NY 11552
(516) 986-9580
Grades: K-12
| 109 students
International Christian School
(Baptist)
1266 N Country Rd
Stony Brook, NY 11790
(631) 689-7660
Stony Brook, NY 11790
(631) 689-7660
Grades: K-12
| n/a students
Leonard E Burket Christian School![Leonard E Burket Christian School Photo]( "Leonard E Burket Christian School Photo")
(Assembly of God)
34 Oak St
Center Moriches, NY 11934
(631) 878-1727
Center Moriches, NY 11934
(631) 878-1727
Grades: PK-12
| 117 students
Long Island Baptist Academy
(Baptist)
696 Union Ave
Holtsville, NY 11742
(631) 447-2552
Holtsville, NY 11742
(631) 447-2552
Grades: 2-12
| 7 students
Long Island School For The Gifted![Long Island School For The Gifted Photo - We provide remote learning resources for all our students.]( "Long Island School For The Gifted Photo - We provide remote learning resources for all our students.")
Special Program Emphasis
165 Pidgeon Hill Rd Ste 1
Huntington Station, NY 11746
(631) 423-3557
Huntington Station, NY 11746
(631) 423-3557
Grades: K-9
| 105 students
Madonna Height School
All-girls | Alternative School
151 Burrs Ln
Huntington Station, NY 11746
(631) 213-0188
Huntington Station, NY 11746
(631) 213-0188
Grades: 7-12
| 44 students
140 Mark Tree Rd
Centereach, NY 11720
(631) 588-2757
Centereach, NY 11720
(631) 588-2757
Grades: PK-12
| 188 students
Sunshine Alternative Education Center
Alternative School
468 Boyle Rd
Port Jefferson Station, NY 11776
(631) 476-3099
Port Jefferson Station, NY 11776
(631) 476-3099
Grades: 10-12
| 10 students
Victory Christian Academy
(Church of God)
1343 Montauk Hwy
Patchogue, NY 11772
(631) 654-9284
Patchogue, NY 11772
(631) 654-9284
Grades: PK-12
| 65 students
37 Rollstone Avenue
West Sayville, NY 11796
(631) 589-2180
West Sayville, NY 11796
(631) 589-2180
Grades: K-12
| 50 students
Winston Preparatory School Long Island![Winston Preparatory School Long Island Photo]( "Winston Preparatory School Long Island Photo")
Special Education School
30 Deforest Road
Huntington Station, NY 11746
(631) 779-2400
Huntington Station, NY 11746
(631) 779-2400
Grades: 3-12
| 53 students
Suffolk County Private Schools (Closed)
School
Location
Grades
Students
Chatterbox Day School (Closed 2015)
Daycare / Preschool
52 Hawthorne Ave
East Islip, NY 11730
(631) 581-4756
East Islip, NY 11730
(631) 581-4756
Grades: PK-1
| 61 students
1225 Ostrander Ave
Riverhead, NY 11901
(631) 727-5900
Riverhead, NY 11901
(631) 727-5900
Grades: 7-12
| 467 students
74 Suffolk Lane
East Islip, NY 11730
(631) 581-1035
East Islip, NY 11730
(631) 581-1035
Grades: PK-12
| 63 students
2 Indian Head Rd
Commack, NY 11725
(631) 543-0202
Commack, NY 11725
(631) 543-0202
Grades: PK-8
| 223 students
74 Hauppauge Rd
Commack, NY 11725
(631) 368-2600
Commack, NY 11725
(631) 368-2600
Grades: K-8
| 70 students
Lake Grove School (Closed 2020)
Special Education School
Moriches Road
Lake Grove, NY 11755
(516) 585-8776
Lake Grove, NY 11755
(516) 585-8776
Grades: 8-12
| 60 students
821 Hawkins Ave
Lake Grove, NY 11755
(631) 585-0521
Lake Grove, NY 11755
(631) 585-0521
Grades: PK-8
| 26 students
New Discovery Early Childhood Center (Closed 2016)
Daycare / Preschool
180 Lawrence Rd
Kings Park, NY 11754
(631) 544-0830
Kings Park, NY 11754
(631) 544-0830
Grades: K
| 127 students
240 S Wellwood Ave
Lindenhurst, NY 11757
(631) 226-0208
Lindenhurst, NY 11757
(631) 226-0208
Grades: PK-8
| 263 students
200 W Main St
Sayville, NY 11782
(631) 589-3426
Sayville, NY 11782
(631) 589-3426
Grades: PK-8
| 187 students
Rainbow Chimes, Inc. (Closed 2008)
Daycare / Preschool
320 Broadway-greenlawn Rd.
Huntington, NY 11743
(631) 427-6300
Huntington, NY 11743
(631) 427-6300
Grades: PK-K
| 64 students
500 W Montauk Hwy
Bay Shore, NY 11706
(631) 666-0908
Bay Shore, NY 11706
(631) 666-0908
Grades: PK-8
| 220 students
Trinity Regional School (Closed 2004)
Daycare / Preschool (Catholic)
1450 New York Ave
Huntington Station, NY 11745
(631) 549-7450
Huntington Station, NY 11745
(631) 549-7450
Grades: PK-K
| 96 students
Frequently Asked Questions
What are the top ranked private high schools in Suffolk County, NY?
The top ranked private high schools in Suffolk County, NY include The Stony Brook School, The Knox School, and St. John The Baptist Diocesan High School.
How many private high schools are located in Suffolk County?
25 private high schools are located in Suffolk County.
How diverse are private high schools in Suffolk County?
Suffolk County private high schools are approximately 37% minority students, which is same as the New York private school average of 37%.
What percentage of private high schools are religiously affiliated in Suffolk County?
Which private high schools in Suffolk County are often viewed compared to one another?
Popular comparisons of private high schools in Suffolk County include: St. John The Baptist Diocesan High School vs. St. Anthony's High School, St. Anthony's High School vs. St. John The Baptist Diocesan High School, Gersh Academy vs. Ascent School For Individuals With Autism
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