Suffolk County Private Elementary Schools

For the 2026-27 school year, there are 55 private elementary schools serving 9,172 students in Suffolk County, NY.
The average tuition cost is $20,759, which is lower than the New York private elementary school average tuition cost of $21,995.
53% of private elementary schools in Suffolk County, NY are religiously affiliated (most commonly Catholic and Christian).

Quick Facts (26-27)

  • # Private Schools: 55
  • # Students Served: 9,172
  • Average Tuition: $20,759
  • % Students on Financial Aid: 22%
  • Acceptance Rate: 83%
  • Average Class Size: 14 students
  • % Students of Color: 37%
  • View Suffolk County, NY School Trends

Quick Facts (26-27)

  • # Private Schools: 55
  • # Students Served: 9,172
  • Average Tuition: $20,759
  • % Students on Financial Aid: 22%
  • Acceptance Rate: 83%
  • Average Class Size: 14 students
  • % Students of Color: 37%
  • View Suffolk County, NY School Trends

Top Ranked Suffolk County Private Elementary Schools (2026-27)

The Knox School Photo
Gr: 6-12 | 121 students
Avg. class size: 12 students
Sports: 9 | Extracurriculars: 29
541 Long Beach Road
Saint James, NY 11780
(631) 686-1600
(10)
Smithtown Christian School Photo
Gr: PK-12 | 353 students
Avg. class size: 18 students
Sports: 6 | Extracurriculars: 16
Christian
1 Higbie Dr
Smithtown, NY 11787
(631) 265-3334
(8)
Southampton Montessori School Photo
Gr: NS-6 | 67 students
Avg. class size: 16 students
Sports: 3 | Extracurriculars: 7
Montessori School
135 Saint Andrews Rd
Southampton, NY 11968
(631) 283-2223
(1)
Ivy League School Photo
Gr: PK-8 | 324 students
Avg. class size: 12 students
Sports: 3 | Extracurriculars: 3
211 Brooksite Drive
Smithtown, NY 11787
(631) 265-4177
(4)
Winston Preparatory School Long Island Photo
Gr: 3-12
Special Education School
30 Deforest Road
Huntington Station, NY 11746
(631) 779-2400
Map of Crestwood Country Day School
Gr: PK-12 | 346 students
Daycare / Preschool
313 Round Swamp Rd
Melville, NY 11747
(631) 692-6361
Harrow International School New York Photo
Gr: 6-12
Avg. class size: 8 students
Sports: 11
500 Montauk Highway
East Islip, NY 11769
(631) 869-1572
Map of The Hayground School
Gr: PK-8 | 75 students
Avg. class size: 13 students
151 Mitchell Lane
Bridgehampton, NY 11932
(631) 537-7068
Holy Angels Regional School Photo
Gr: NS-8 | 200 students
Avg. class size: 20 students
Sports: 5 | Extracurriculars: 6
Catholic
1 Division St
Patchogue, NY 11772
(631) 475-0422
Map of International Christian School
Gr: K-12
Baptist
1266 N Country Rd
Stony Brook, NY 11790
(631) 689-7660
Laurel Hill School Photo
Gr: NS-8 | 235 students
Avg. class size: 12 students
Sports: 1 | Extracurriculars: 15
201 Old Town Rd
East Setauket, NY 11733
(631) 751-1154
(22)
Map of Our Lady Of The Hamptons Regional Catholic School
Gr: PK-8 | 326 students
Avg. class size: 33 students
Catholic
160 N Main Street
Southampton, NY 11968
(631) 283-9140
Map of Our Lady Queen Of Apostles Regional Catholic School
Gr: PK-8 | 209 students
Avg. class size: 19 students
Sports: 6 | Extracurriculars: 3
Catholic
2 St Johns Place
Center Moriches, NY 11934
(631) 878-1033
Ross School Photo
Gr: PK-12 | 359 students
Avg. class size: 11 students
Sports: 18 | Extracurriculars: 22
18 Goodfriend Road
East Hampton, NY 11937
(631) 907-5268
Map of St. Mary School
Gr: PK-8 | 501 students
Catholic
16 Harrison Ave
East Islip, NY 11730
(631) 581-3423
Map of St. Patrick Elementary School
Gr: PK-8 | 463 students
Catholic
284 E Main St
Smithtown, NY 11787
(631) 724-0285
(1)
Map of St. Patrick School
Gr: PK-8 | 531 students
Catholic
Montauk Hwy
Bay Shore, NY 11706
(631) 665-0569
Map of St. Patrick's School
Gr: PK-8 | 541 students
Catholic
360 Main St
Huntington, NY 11743
(631) 385-3322
(1)
The Stony Brook School Photo
Gr: 7-12 | 479 students
Avg. class size: 13 students
Sports: 16 | Extracurriculars: 22
Christian
1 Chapman Parkway
Stony Brook, NY 11790
(631) 751-1800
Map of Trinity Regional School-east Northport Campus
Gr: PK-8 | 358 students
Sports: 6 | Extracurriculars: 12
Catholic
1025 5th Ave
East Northport, NY 11731
(631) 261-5130
Upper Room Christian School Photo
Gr: PK-12 | 212 students
Avg. class size: 15 students
Sports: 8 | Extracurriculars: 5
Christian
722 Deer Park Rd
Huntington Station, NY 11746
(631) 242-5359
(4)
The Whole Child Academy Photo
Gr: K-12 | 25 students
Avg. class size: 1 student
Sports: 2 | Extracurriculars: 2
Special Education School
175 Wolf Hill Road
Melville, NY 11747
(631) 423-2658
(10)
Map of Ascent School For Individuals With Autism
Gr: 5-12 | 19 students
Avg. class size: 6 students
Special Education School
819 Grand Blvd Ste 2
Deer Park, NY 11729
(631) 254-6100
Map of Bethesda Sda Junior Academy
Gr: K-8 | 47 students
Seventh Day Adventist
76 Parkway Ave
Amityville, NY 11701
(631) 842-3321
Bridges Academy (The) Photo
Gr: NS-8 | 238 students
Sports: 4 | Extracurriculars: 26
339 Snedecor Ave
West Islip, NY 11795
(631) 358-5035
(19)
Map of The Children's Center At Ucp
Gr: K-12 | 51 students
Special Education School
250 Marcus Blvd
Hauppauge, NY 11788
(631) 543-2338
Map of Cleary School For The Deaf
Gr: PK-12 | 66 students
Special Education School
301 Smithtown Blvd
Nesconset, NY 11767
(631) 831-5764
Map of Copiague Christian Academy
Gr: PK-3 | 33 students
Avg. class size: 15 students
Christian
2675 Great Neck Road
Copiague, NY 11726
(631) 842-5993
Map of Ebenezer Christian Academy
Gr: K-6 | 111 students
Avg. class size: 13 students
Assembly of God
69 Wisconsin Ave
Bay Shore, NY 11706
(631) 273-0312
Emanuel Lutheran School Photo
Gr: PK-8 | 97 students
Sports: 5 | Extracurriculars: 7
Lutheran Church Missouri Synod
179 E. Main Street
Patchogue, NY 11772
(631) 758-2250
(2)
Map of Gersh Academy
Gr: K-12 | 121 students
Special Education School
21 Sweet Hollow Rd # 2
Huntington, NY 11743
(516) 986-9580
Map of Gersh Academy- Inc
Gr: K-12 | 109 students
Special Education School
307 Eagle Ave
West Hempstead, NY 11552
(516) 986-9580
Harbor Country Day School Photo
Gr: PK-8
Avg. class size: 12 students
Sports: 3 | Extracurriculars: 11
17 Three Sisters Road
Saint James, NY 11780
(631) 584-5555
(4)
Map of Heritage Christian Academy
Gr: PK-5 | 47 students
Baptist
1380 Fifth Avenue
Bay Shore, NY 11706
(631) 968-5358
Map of Huntington Montessori-northshore Learning
Gr: PK-5 | 109 students
Montessori School
165 Pidgeon Hill Rd
Huntington Station, NY 11746
(631) 385-3388
Show 20 more private schools in Suffolk County, NY (out of 55 total schools)
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[+] Show Closed Private Schools in Suffolk County, New York

Suffolk County Private Elementary Schools (Closed)

apprWest Sayville Christian School Photo
Gr: K-12 | 50 students
Avg. class size: 8 students
Christian
37 Rollstone Avenue
West Sayville, NY 11796
(631) 589-2180
(5)
Bay Shore Christian School Photo
Gr: PK-5 | 81 students
Avg. class size: 10 students
Christian
211 Bay Shore Rd
Bay Shore, NY 11706
(631) 665-5241
Map of Bishop Mcgann-mercy Diocesan High School
Gr: 7-12 | 467 students
Catholic
1225 Ostrander Ave
Riverhead, NY 11901
(631) 727-5900
Chatterbox Day School Photo
Gr: PK-1 | 61 students
Daycare / Preschool
52 Hawthorne Ave
East Islip, NY 11730
(631) 581-4756
Map of The Hewlett School
Gr: PK-12 | 63 students
74 Suffolk Lane
East Islip, NY 11730
(631) 581-1035
Map of Holy Family Regional School
Gr: PK-8 | 223 students
Catholic
2 Indian Head Rd
Commack, NY 11725
(631) 543-0202
The Jewish Academy of Suffolk County Photo
Gr: K-8 | 70 students
Avg. class size: 10 students
Jewish
74 Hauppauge Rd
Commack, NY 11725
(631) 368-2600
(1)
Map of Lake Grove School
Gr: 8-12 | 60 students
Special Education School
Moriches Road
Lake Grove, NY 11755
(516) 585-8776
Map of Maimonides Day School
Gr: PK-8 | 26 students
Jewish
821 Hawkins Ave
Lake Grove, NY 11755
(631) 585-0521
Map of New Discovery Early Childhood Center
Gr: K | 127 students
Daycare / Preschool
180 Lawrence Rd
Kings Park, NY 11754
(631) 544-0830
Map of Our Lady Of Perpetual Help School
Gr: PK-8 | 263 students
Catholic
240 S Wellwood Ave
Lindenhurst, NY 11757
(631) 226-0208
Map of Prince Of Peace Regional School
Gr: PK-8 | 187 students
Catholic
200 W Main St
Sayville, NY 11782
(631) 589-3426
Map of Rainbow Chimes, Inc.
Gr: PK-K | 64 students
Daycare / Preschool
320 Broadway-greenlawn Rd.
Huntington, NY 11743
(631) 427-6300
Map of St. Peters By The Sea Episcopal Day School
Gr: PK-8 | 220 students
Episcopal
500 W Montauk Hwy
Bay Shore, NY 11706
(631) 666-0908
(4)
Map of Trinity Regional School
Gr: PK-K | 96 students
Daycare / Preschool (Catholic)
1450 New York Ave
Huntington Station, NY 11745
(631) 549-7450
Map of Tutor Time Care Lrng-smithtown
Gr: PK-K | 163 students
Daycare / Preschool
100 Landing Ave.
Smithtown, NY 11787
(631) 863-3040

Overview

Category
This State (NY)
US
# Schools
55 Schools

Showing 2016–2025. Full 11-year historical data available below ↓

# Students
9,172 Students
341,959 Students

Showing 2016–2025. Full 11-year historical data available below ↓

% Average Students of Color
37%
38%

Showing 2016–2025. Full 11-year historical data available below ↓

Academics and Faculty:

# Teachers
1,031 Teachers
34,621 Teachers
Average Student-Teacher Ratio
9:1
10:1

Showing 2016–2025. Full 11-year historical data available below ↓

% Average Faculty w/Advanced Degree
89%
76%

Showing 2016–2025. Full 11-year historical data available below ↓

Average Class Size
14 students
15 students

Showing 2016–2025. Full 11-year historical data available below ↓

Average Number of AP Courses
14 courses
12 courses

Showing 2016–2025. Full 11-year historical data available below ↓

Average SAT score
1266
(Out of 1600)
1279
Average ACT score
28
(Out of 36)
29

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$20,759
$21,995

Showing 2016–2025. Full 11-year historical data available below ↓

Average Summer Program Cost
$1,314
$2,682
Average % on Financial Aid
22%
32%

Showing 2016–2025. Full 11-year historical data available below ↓

Average Financial Aid Grant
$7,774
$11,993

Showing 2016–2025. Full 11-year historical data available below ↓

Average Acceptance Rate
83%
79%

Showing 2016–2025. Full 11-year historical data available below ↓

Average Endowment Size
$10.57 million
$28.84 million

Students by Ethnicity:

0.68
0.57

Showing 2016–2025. Full 11-year historical data available below ↓

# American Indian Students
11 Students
810 Students
% American Indian Students
<1%
<1%
# Asian Students
423 Students
14,469 Students
% Asian Students
5%
4%

Showing 2016–2025. Full 11-year historical data available below ↓

# Hispanic Students
1,268 Students
23,955 Students
% Hispanic Students
13%
7%

Showing 2016–2025. Full 11-year historical data available below ↓

# Black Students
921 Students
26,065 Students
% Black Students
10%
8%

Showing 2016–2025. Full 11-year historical data available below ↓

# White Students
4,609 Students
213,434 Students
% White Students
49%
63%

Showing 2016–2025. Full 11-year historical data available below ↓

# Hawaiian Students
20 Students
420 Students
% Hawaiian Students
<1%
<1%
# Others Students
2,152 Students
62,444 Students
% of Others Students
23%
18%

Showing 2016–2025. Full 11-year historical data available below ↓

All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
12 extracurriculars
12 extracurriculars
Average Number of Sports
6 sports
7 sports

Frequently Asked Questions

What are the top ranked private elementary schools in Suffolk County, NY?
The top ranked private elementary schools in Suffolk County, NY include Trinity Regional School-east Northport Campus, St. Patrick School, and St. Mary School.
How many private elementary schools are located in Suffolk County?
55 private elementary schools are located in Suffolk County.
How much do private elementary schools cost in Suffolk County?
The average tuition cost is $20,759, which is lower than the New York private school average tuition cost of $21,995.
How diverse are private elementary schools in Suffolk County?
Suffolk County private elementary schools are approximately 37% minority students, which is lower than the New York private school average of 38%.
What percentage of private elementary schools are religiously affiliated in Suffolk County?
53% of private elementary schools in Suffolk County are religiously affiliated (most commonly Catholic and Christian).
Which private elementary schools in Suffolk County are often viewed compared to one another?

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