For the 2025 school year, there are 341 public schools serving 222,331 students in Suffolk County, NY (there are 86 private schools, serving 16,190 private students). 93% of all K-12 students in Suffolk County, NY are educated in public schools (compared to the NY state average of 85%).
The top ranked public schools in Suffolk County, NY are Commack High School, Robert M Grable Jr Mount Sinai High School and Sayville High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Suffolk County, NY public schools have an average math proficiency score of 51% (versus the New York public school average of 47%), and reading proficiency score of 47% (versus the 49% statewide average). Schools in Suffolk County have an average ranking of 9/10, which is in the top 20% of New York public schools.
Minority enrollment is 55% of the student body (majority Hispanic), which is less than the New York public school average of 60% (majority Hispanic).
Best Public Schools in Suffolk County (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Commack High School
(Math: ≥99% | Reading: 97%)
Rank:
Rank:
10/
Top 1%10
1 Scholar Ln
Commack, NY 11725
(631) 912-2109
Commack, NY 11725
(631) 912-2109
Grades: 9-12
| 1,815 students
Rank: #2 - 32. - 3.
Robert M Grable Jr Mount Sinai High School
(Math: ≥99% | Reading: ≥95%)
Rank:
Rank:
10/
Top 1%10
110 N Country Rd
Mount Sinai, NY 11766
(631) 870-2800
Mount Sinai, NY 11766
(631) 870-2800
Grades: 9-12
| 700 students
Rank: #2 - 32. - 3.
Sayville High School
(Math: ≥99% | Reading: ≥95%)
Rank:
Rank:
10/
Top 1%10
20 Brook St
West Sayville, NY 11796
(631) 244-6600
West Sayville, NY 11796
(631) 244-6600
Grades: 9-12
| 850 students
Rank: #4 - 54. - 5.
Kings Park High School
(Math: 98% | Reading: ≥95%)
Rank:
Rank:
10/
Top 1%10
200 Rt 25a
Kings Park, NY 11754
(631) 269-3345
Kings Park, NY 11754
(631) 269-3345
Grades: 9-12
| 832 students
Rank: #4 - 54. - 5.
Smithtown High School East
(Math: 98% | Reading: ≥95%)
Rank:
Rank:
10/
Top 1%10
10 School St
Saint James, NY 11780
(631) 382-2705
Saint James, NY 11780
(631) 382-2705
Grades: 9-12
| 1,428 students
Rank: #6 - 76. - 7.
Half Hollow Hills High School East
(Math: ≥99% | Reading: 90-94%)
Rank:
Rank:
10/
Top 1%10
50 Vanderbilt Pky
Huntington Station, NY 11746
(631) 592-3100
Huntington Station, NY 11746
(631) 592-3100
Grades: 9-12
| 1,440 students
Rank: #6 - 76. - 7.
Half Hollow Hills High School West
(Math: ≥99% | Reading: 90-94%)
Rank:
Rank:
10/
Top 1%10
375 Wolf Hill Rd
Huntington Station, NY 11746
(631) 592-3200
Huntington Station, NY 11746
(631) 592-3200
Grades: 9-12
| 989 students
Rank: #88.
Ward Melville Senior High School
(Math: 98% | Reading: 93%)
Rank:
Rank:
10/
Top 1%10
380 Old Town Rd
East Setauket, NY 11733
(631) 730-4900
East Setauket, NY 11733
(631) 730-4900
Grades: 9-12
| 1,492 students
Rank: #99.
Connetquot High School
(Math: 98% | Reading: 90-94%)
Rank:
Rank:
10/
Top 1%10
190 7th St
Bohemia, NY 11716
(631) 244-2228
Bohemia, NY 11716
(631) 244-2228
Grades: 9-12
| 1,755 students
Rank: #1010.
Bayport-blue Point High School
(Math: ≥95% | Reading: ≥95%)
Rank:
Rank:
10/
Top 1%10
200 Snedecor Ave
Bayport, NY 11705
(631) 472-7800
Bayport, NY 11705
(631) 472-7800
Grades: 9-12
| 636 students
Rank: #11 - 1211. - 12.
Harborfields High School
(Math: ≥99% | Reading: 85-89%)
Rank:
Rank:
10/
Top 5%10
98 Taylor Ave
Greenlawn, NY 11740
(631) 754-5360
Greenlawn, NY 11740
(631) 754-5360
Grades: 9-12
| 928 students
Rank: #11 - 1211. - 12.
Smithtown High School-west
Magnet School
(Math: ≥99% | Reading: 85-89%)
Rank:
Rank:
10/
Top 5%10
100 Central Rd
Smithtown, NY 11787
(631) 382-2905
Smithtown, NY 11787
(631) 382-2905
Grades: 9-12
| 1,238 students
Rank: #1313.
Elwood/john Glenn High School
(Math: ≥95% | Reading: 90-94%)
Rank:
Rank:
10/
Top 5%10
478 Elwood Rd
East Northport, NY 11731
(631) 266-5410
East Northport, NY 11731
(631) 266-5410
Grades: 9-12
| 676 students
Rank: #1414.
Miller Place High School
(Math: 98% | Reading: 85-89%)
Rank:
Rank:
10/
Top 5%10
15 Memorial Dr
Miller Place, NY 11764
(631) 474-2723
Miller Place, NY 11764
(631) 474-2723
Grades: 9-12
| 803 students
Rank: #1515.
Shoreham-wading River High School
(Math: ≥95% | Reading: ≥90%)
Rank:
Rank:
10/
Top 5%10
250a Rt 25a
Shoreham, NY 11786
(631) 821-8264
Shoreham, NY 11786
(631) 821-8264
Grades: 9-12
| 661 students
Rank: #1616.
West Babylon Senior High School
(Math: 92% | Reading: ≥95%)
Rank:
Rank:
10/
Top 5%10
500 Great E Neck Rd
West Babylon, NY 11704
(631) 376-7115
West Babylon, NY 11704
(631) 376-7115
Grades: 9-12
| 1,255 students
Rank: #1717.
East Islip High School
(Math: 98% | Reading: 80-84%)
Rank:
Rank:
10/
Top 5%10
1 Redmen St
Islip Terrace, NY 11752
(631) 224-2006
Islip Terrace, NY 11752
(631) 224-2006
Grades: 9-12
| 1,178 students
Rank: #1818.
Sachem High School North
(Math: 95% | Reading: 85-89%)
Rank:
Rank:
10/
Top 5%10
212 Smith Rd
Ronkonkoma, NY 11779
(631) 471-1400
Ronkonkoma, NY 11779
(631) 471-1400
Grades: 9-12
| 1,979 students
Rank: #1919.
Rocky Point High School
(Math: 91% | Reading: 90-94%)
Rank:
Rank:
10/
Top 5%10
82 Rocky Pt-yaphank Rd
Rocky Point, NY 11778
(631) 849-7505
Rocky Point, NY 11778
(631) 849-7505
Grades: 9-12
| 905 students
Rank: #2020.
Southampton High School
(Math: 90-94% | Reading: 85-89%)
Rank:
Rank:
10/
Top 5%10
141 Narrow Ln
Southampton, NY 11968
(631) 591-4601
Southampton, NY 11968
(631) 591-4601
Grades: 9-12
| 588 students
Rank: #2121.
Earl L Vandermeulen High School
(Math: ≥95% | Reading: ≥80%)
Rank:
Rank:
10/
Top 5%10
350 Old Post Rd
Port Jefferson, NY 11777
(631) 791-4421
Port Jefferson, NY 11777
(631) 791-4421
Grades: 9-12
| 328 students
Rank: #2222.
Centereach High School
(Math: 91% | Reading: 85-89%)
Rank:
Rank:
10/
Top 10%10
14 43rd St
Centereach, NY 11720
(631) 285-8100
Centereach, NY 11720
(631) 285-8100
Grades: 9-12
| 1,464 students
Rank: #2323.
Longwood High School
(Math: 86% | Reading: 94%)
Rank:
Rank:
10/
Top 10%10
100 Longwood Rd
Middle Island, NY 11953
(631) 345-9200
Middle Island, NY 11953
(631) 345-9200
Grades: 9-12
| 2,993 students
Rank: #2424.
Bay Shore Senior High School
(Math: 93% | Reading: 80-84%)
Rank:
Rank:
10/
Top 10%10
155 3rd Ave
Bay Shore, NY 11706
(631) 968-1156
Bay Shore, NY 11706
(631) 968-1156
Grades: 9-12
| 1,893 students
Rank: #2525.
Westhampton Beach Senior High School
(Math: 90% | Reading: 85-89%)
Rank:
Rank:
10/
Top 10%10
49 Lilac Rd
Westhampton Beach, NY 11978
(631) 288-3800
Westhampton Beach, NY 11978
(631) 288-3800
Grades: 9-12
| 991 students
Rank: #2626.
Comsewogue High School
(Math: 86% | Reading: 85-89%)
Rank:
Rank:
10/
Top 10%10
565 Bicycle Path
Port Jefferson Station, NY 11776
(631) 474-8182
Port Jefferson Station, NY 11776
(631) 474-8182
Grades: 9-12
| 1,142 students
Rank: #2727.
North Babylon High School
(Math: 91% | Reading: 80-84%)
Rank:
Rank:
10/
Top 10%10
1 Phelps Ln
North Babylon, NY 11703
(631) 620-7101
North Babylon, NY 11703
(631) 620-7101
Grades: 9-12
| 1,558 students
Rank: #2828.
Northport Senior High School
(Math: 98% | Reading: 70-74%)
Rank:
Rank:
10/
Top 10%10
154 Laurel Hill Rd
Northport, NY 11768
(631) 262-6652
Northport, NY 11768
(631) 262-6652
Grades: 9-12
| 1,537 students
Rank: #2929.
Deer Park High School
(Math: 96% | Reading: 70-74%)
Rank:
Rank:
10/
Top 10%10
1 Falcon Pl
Deer Park, NY 11729
(631) 274-4110
Deer Park, NY 11729
(631) 274-4110
Grades: 9-12
| 1,312 students
Rank: #30 - 3130. - 31.
Patchogue-medford High School
(Math: 90% | Reading: 75-79%)
Rank:
Rank:
10/
Top 10%10
181 Buffalo Ave
Medford, NY 11763
(631) 687-6500
Medford, NY 11763
(631) 687-6500
Grades: 9-12
| 2,453 students
Rank: #30 - 3130. - 31.
Walt Whitman High School
(Math: 90% | Reading: 75-79%)
Rank:
Rank:
10/
Top 10%10
301 W Hills Rd
Huntington Station, NY 11746
(631) 812-3800
Huntington Station, NY 11746
(631) 812-3800
Grades: 9-12
| 1,981 students
Rank: #3232.
Sachem High School East
(Math: 95% | Reading: 70-74%)
Rank:
Rank:
10/
Top 10%10
177 Granny Rd
Farmingville, NY 11738
(631) 716-8200
Farmingville, NY 11738
(631) 716-8200
Grades: 9-12
| 2,055 students
Rank: #3333.
Newfield High School
(Math: 80% | Reading: 80-89%)
Rank:
Rank:
10/
Top 10%10
145 Marshall Dr
Selden, NY 11784
(631) 285-8300
Selden, NY 11784
(631) 285-8300
Grades: 9-12
| 1,542 students
Rank: #3434.
Hampton Bays High School
(Math: 90-94% | Reading: 70-74%)
Rank:
Rank:
10/
Top 10%10
88 Argonne Rd
Hampton Bays, NY 11946
(631) 723-2110
Hampton Bays, NY 11946
(631) 723-2110
Grades: 9-12
| 755 students
Rank: #3535.
Cold Spring Harbor High School
(Math: 85% | Reading: 80%)
Rank:
Rank:
10/
Top 10%10
82 Turkey Ln
Cold Spring Harbor, NY 11724
(631) 367-6900
Cold Spring Harbor, NY 11724
(631) 367-6900
Grades: 7-12
| 735 students
Show 100 more public schools in Suffolk County, NY (out of 341 total schools)
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Suffolk County Public Schools (Closed)
School
Location
Grades
Students
300 Park Ave
Deer Park, NY 11729
(631) 274-4360
Deer Park, NY 11729
(631) 274-4360
Grades: PK
| 200 students
Baywood Boys Group Home (Closed 2004)
Alternative School
14 W Belmont St
Bay Shore, NY 11706
Bay Shore, NY 11706
Grades: n/a
| n/a students
253 Bellerose Ave
East Northport, NY 11731
(631) 262-6800
East Northport, NY 11731
(631) 262-6800
Grades: K-5
| 272 students
15 Ridgely Rd
Smithtown, NY 11787
(631) 382-4205
Smithtown, NY 11787
(631) 382-4205
Grades: K-5
| 360 students
18 Tower Hill Rd
Shoreham, NY 11786
(631) 821-8200
Shoreham, NY 11786
(631) 821-8200
Grades: K-1
| 231 students
Brookhaven Annex (Closed 2023)
Special Education School
Fireplace Neck Rd
Brookhaven, NY 11719
(631) 286-4037
Brookhaven, NY 11719
(631) 286-4037
Grades: Inquire with school
| 29 students
600 S Service Rd
Huntington Station, NY 11746
(631) 592-3500
Huntington Station, NY 11746
(631) 592-3500
Grades: K-5
| 437 students
110 Stephen Hands Path
Wainscott, NY 11975
(631) 324-0207
Wainscott, NY 11975
(631) 324-0207
Grades: K-5
| 57 students
Coeur D'Alene Tribal School (Closed 2008)
Special Education School
998 Crkd Hill Rd -bld 102
Brentwood, NY 11717
(631) 761-3805
Brentwood, NY 11717
(631) 761-3805
Grades: n/a
| 4 students
Connetquot Alternative Preschool At Premm (Closed 2015)
Alternative School
1201 Montauk Hwy
Oakdale, NY 11769
(631) 563-9833
Oakdale, NY 11769
(631) 563-9833
Grades: PK
| n/a students
120 Dickinson Ave
East Northport, NY 11731
(631) 262-6810
East Northport, NY 11731
(631) 262-6810
Grades: K-5
| 373 students
1 C B Gariepy Ave
Islip Terrace, NY 11752
(631) 224-2070
Islip Terrace, NY 11752
(631) 224-2070
Grades: n/a
| n/a students
543 Moriches-middle I
Manorville, NY 11949
(631) 874-6604
Manorville, NY 11949
(631) 874-6604
Grades: 7-12
| 1,442 students
315 West Montauk Hwy
Lindenhurst, NY 11757
(631) 226-6409
Lindenhurst, NY 11757
(631) 226-6409
Grades: K-5
| 244 students
30 Deforest Rd
Huntington Station, NY 11746
(631) 592-3550
Huntington Station, NY 11746
(631) 592-3550
Grades: K-5
| 485 students
65 Gatelot Ave
Ronkonkoma, NY 11779
(631) 471-1810
Ronkonkoma, NY 11779
(631) 471-1810
Grades: K-5
| 492 students
Independent Group Hm Living - Icf (Closed 2004)
Alternative School
62 Pine St
East Moriches, NY 11940
East Moriches, NY 11940
Grades: n/a
| n/a students
Leadership Training Inst (Closed 2004)
Alternative School
66 Brook Ave
Bay Shore, NY 11706
Bay Shore, NY 11706
Grades: n/a
| n/a students
Melville House (Closed 2004)
Alternative School
20 Ruland Rd
Melville, NY 11747
Melville, NY 11747
Grades: n/a
| n/a students
140 Garden City Avenue
Wyandanch, NY 11798
(631) 491-1047
Wyandanch, NY 11798
(631) 491-1047
Grades: 6-8
| 480 students
Minimum Security Facility (Closed 2004)
Alternative School
N
Yaphank, NY 11980
Yaphank, NY 11980
Grades: n/a
| n/a students
29 Gibbs Pond Rd
Nesconset, NY 11767
(631) 382-4405
Nesconset, NY 11767
(631) 382-4405
Grades: n/a
| n/a students
Patchogue Group Home (Closed 2004)
Alternative School
245 N Ocean Ave
Patchogue, NY 11772
Patchogue, NY 11772
Grades: n/a
| n/a students
339 Snedecor Ave
West Islip, NY 11795
(631) 893-3390
West Islip, NY 11795
(631) 893-3390
Grades: n/a
| n/a students
Pilgrim Psych Center (Closed 2023)
Special Education School
998 Crkd Hill Rd -bld 102
Brentwood, NY 11717
(631) 761-3805
Brentwood, NY 11717
(631) 761-3805
Grades: Inquire with school
| 4 students
500 Scraggy Hill Rd
Port Jefferson, NY 11777
(631) 791-4321
Port Jefferson, NY 11777
(631) 791-4321
Grades: PK-5
| 360 students
Sagamore Children's Psych Center (Closed 2023)
Alternative School
197 Half Hollow Road
Huntington Station, NY 11746
(631) 673-7705
Huntington Station, NY 11746
(631) 673-7705
Grades: 5-12
| 61 students
750 Waverly Ave
Holtsville, NY 11742
(631) 207-7100
Holtsville, NY 11742
(631) 207-7100
Grades: 6-8
| 833 students
10 School Street
Saint James, NY 11780
(631) 382-2700
Saint James, NY 11780
(631) 382-2700
Grades: 6-8
| 660 students
Sullivan Charter School (Closed 2004)
Charter School
387 Wyandanch Ave
Wyandanch, NY 11798
(631) 841-0841
Wyandanch, NY 11798
(631) 841-0841
Grades: n/a
| n/a students
179 Granny Rd
Farmingville, NY 11738
(631) 696-8660
Farmingville, NY 11738
(631) 696-8660
Grades: K-5
| 444 students
350 Higbie Ln
West Islip, NY 11795
(631) 893-3370
West Islip, NY 11795
(631) 893-3370
Grades: n/a
| n/a students
Woodhull Group Home (Closed 2004)
Alternative School
4440 Nesconset Hwy
Port Jefferson Station, NY 11776
Port Jefferson Station, NY 11776
Grades: n/a
| n/a students
Frequently Asked Questions
What are the top ranked public schools in Suffolk County, NY?
The top ranked public schools in Suffolk County, NY include Commack High School, Robert M Grable Jr Mount Sinai High School and Sayville High School.
How many public schools are located in Suffolk County?
341 public schools are located in Suffolk County.
What percentage of students in Suffolk County go to public school?
93% of all K-12 students in Suffolk County are educated in public schools (compared to the NY state average of 85%).
What is the racial composition of students in Suffolk County?
Suffolk County public schools minority enrollment is 55% of the student body (majority Hispanic), which is less than the New York public schools average of 60% (majority Hispanic).
Which public schools in Suffolk County are often viewed compared to one another?
Popular comparisons of public schools in Suffolk County include: Woodhull Intermediate School vs. Jack Abrams Stem Magnet School, Jack Abrams Stem Magnet School vs. Woodhull Intermediate School, Sawmill Intermediate School vs. Burr Intermediate School
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