For the 2025 school year, there are 39 public schools serving 13,896 students in St. Lawrence County, NY (there are 9 private schools, serving 563 private students). 96% of all K-12 students in St.
Lawrence County, NY are educated in public schools (compared to the NY state average of 85%).
The top ranked public schools in St. Lawrence County, NY are Potsdam Senior High School, H C Williams Senior High School and Norwood-norfolk School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
St. Lawrence County, NY public schools have an average math proficiency score of 42% (versus the New York public school average of 47%), and reading proficiency score of 45% (versus the 49% statewide average). Schools in St. Lawrence County have an average ranking of 6/10, which is in the top 50% of New York public schools.
Minority enrollment is 7% of the student body (majority American Indian and Hispanic), which is less than the New York public school average of 60% (majority Hispanic).
Best Public Schools in St. Lawrence County (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Potsdam Senior High School
(Math: 90-94% | Reading: 90-94% )
Rank:
Rank:
10/
Top 5%10
29 Leroy St
Potsdam, NY 13676
(315) 265-2000
Potsdam, NY 13676
(315) 265-2000
Grades: 9-12
| 411 students
Rank: #22.
H C Williams Senior High School
(Math: ≥95% | Reading: ≥80%)
Rank:
Rank:
10/
Top 5%10
99 State St
Canton, NY 13617
(315) 386-8561
Canton, NY 13617
(315) 386-8561
Grades: 9-12
| 340 students
Rank: #3 - 43. - 4.
Norwood-norfolk School
(Math: ≥90% | Reading: ≥80%)
Rank:
Rank:
10/
Top 10%10
7852 State Hwy 56
Norwood, NY 13668
(315) 353-6631
Norwood, NY 13668
(315) 353-6631
Grades: 9-12
| 312 students
Rank: #3 - 43. - 4.
Saint Lawrence High School
(Math: ≥90% | Reading: ≥80%)
Rank:
Rank:
10/
Top 10%10
1039 State Hwy 11c
Brasher Falls, NY 13613
(315) 389-5131
Brasher Falls, NY 13613
(315) 389-5131
Grades: 9-12
| 288 students
Rank: #55.
Gouverneur High School
(Math: 80-84% | Reading: 80-84%)
Rank:
Rank:
10/
Top 10%10
113 E Barney St
Gouverneur, NY 13642
(315) 287-1900
Gouverneur, NY 13642
(315) 287-1900
Grades: 9-12
| 462 students
Rank: #66.
Massena Senior High School
(Math: 90-94% | Reading: 60-79%)
Rank:
Rank:
9/
Top 20%10
84 Nightengale Ave
Massena, NY 13662
(315) 764-3710
Massena, NY 13662
(315) 764-3710
Grades: 4-12
| 797 students
Rank: #77.
Lawrence Avenue Elementary School
(Math: 70-74% | Reading: 65-69%)
Rank:
Rank:
9/
Top 20%10
29 Leroy St
Potsdam, NY 13676
(315) 265-2000
Potsdam, NY 13676
(315) 265-2000
Grades: PK-4
| 546 students
Rank: #88.
Parishville-hopkinton Junior-senior High School
(Math: 55-59% | Reading: 60-69%)
Rank:
Rank:
8/
Top 30%10
12 County Rt 47
Parishville, NY 13672
(315) 265-4642
Parishville, NY 13672
(315) 265-4642
Grades: 7-12
| 158 students
Rank: #99.
Colton-pierrepont Central School
(Math: 55-59% | Reading: 60-64%)
Rank:
Rank:
8/
Top 30%10
4921 State Hwy 56
Colton, NY 13625
(315) 262-2100
Colton, NY 13625
(315) 262-2100
Grades: PK-12
| 381 students
Rank: #1010.
Ogdensburg Free Academy
(Math: 49% | Reading: 57%)
Rank:
Rank:
7/
Top 50%10
1100 State St
Ogdensburg, NY 13669
(315) 393-0900
Ogdensburg, NY 13669
(315) 393-0900
Grades: 7-12
| 675 students
Rank: #1111.
Nightengale Elementary School
(Math: 47% | Reading: 57%)
Rank:
Rank:
7/
Top 50%10
84 Nightengale Ave
Massena, NY 13662
(315) 764-3750
Massena, NY 13662
(315) 764-3750
Grades: PK-6
| 400 students
Rank: #1212.
Jefferson Elementary School
(Math: 55% | Reading: 50%)
Rank:
Rank:
7/
Top 50%10
75 Bayley Rd
Massena, NY 13662
(315) 764-3730
Massena, NY 13662
(315) 764-3730
Grades: PK-6
| 416 students
Rank: #1313.
A A Kingston Middle School
(Math: 43% | Reading: 53%)
Rank:
Rank:
6/
Top 50%10
29 Leroy St
Potsdam, NY 13676
(315) 265-2000
Potsdam, NY 13676
(315) 265-2000
Grades: 5-8
| 346 students
Rank: #1414.
Morristown Central School
(Math: 40-44% | Reading: 50-54%)
Rank:
Rank:
6/
Top 50%10
408 Gouverneur St
Morristown, NY 13664
(315) 375-8814
Morristown, NY 13664
(315) 375-8814
Grades: PK-12
| 316 students
Rank: #1515.
Heuvelton Central School
(Math: 44% | Reading: 51%)
Rank:
Rank:
6/
Top 50%10
87 Washington St
Heuvelton, NY 13654
(315) 344-2414
Heuvelton, NY 13654
(315) 344-2414
Grades: PK-12
| 553 students
Rank: #16 - 1716. - 17.
Madrid-waddington Junior-senior High School
(Math: 45-49% | Reading: 45-49%)
Rank:
Rank:
6/
Top 50%10
2582 State Hwy 345
Madrid, NY 13660
(315) 322-5746
Madrid, NY 13660
(315) 322-5746
Grades: 6-12
| 314 students
Rank: #16 - 1716. - 17.
Parishville-hopkinton Elementary School
(Math: 45-49% | Reading: 45-49%)
Rank:
Rank:
6/
Top 50%10
12 County Rt 47
Parishville, NY 13672
(315) 265-4642
Parishville, NY 13672
(315) 265-4642
Grades: PK-6
| 181 students
Rank: #1818.
Madison Elementary School
(Math: 46% | Reading: 49%)
Rank:
Rank:
5/
Bottom 50%10
25 Owl Ave
Massena, NY 13662
(315) 764-3740
Massena, NY 13662
(315) 764-3740
Grades: PK-6
| 418 students
Rank: #1919.
Saint Lawrence Elementary School
(Math: 55-59% | Reading: 35-39%)
Rank:
Rank:
5/
Bottom 50%10
1039 State Hwy 11c
Brasher Falls, NY 13613
(315) 389-5131
Brasher Falls, NY 13613
(315) 389-5131
Grades: PK-4
| 363 students
Rank: #2020.
Clifton-fine Junior-senior High School
(Math: 30-39% | Reading: 50-59%)
Rank:
Rank:
5/
Bottom 50%10
11 Hall Ave
Star Lake, NY 13690
(315) 848-3333
Star Lake, NY 13690
(315) 848-3333
Grades: 7-12
| 121 students
Rank: #2121.
Madrid-waddington Elementary School
(Math: 45-49% | Reading: 40-44%)
Rank:
Rank:
5/
Bottom 50%10
2582 State Hwy 345
Madrid, NY 13660
(315) 322-5634
Madrid, NY 13660
(315) 322-5634
Grades: PK-5
| 303 students
Rank: #2222.
J M Mckenney Middle School
(Math: 39% | Reading: 49%)
Rank:
Rank:
5/
Bottom 50%10
99 State St
Canton, NY 13617
(315) 386-8561
Canton, NY 13617
(315) 386-8561
Grades: 5-8
| 320 students
Rank: #2323.
Lisbon Central School
(Math: 43% | Reading: 44%)
Rank:
Rank:
5/
Bottom 50%10
6866 County Rt 10
Lisbon, NY 13658
(315) 393-4951
Lisbon, NY 13658
(315) 393-4951
Grades: PK-12
| 546 students
Rank: #2424.
Madill School
(Math: 35-39% | Reading: 45-49%)
Rank:
Rank:
5/
Bottom 50%10
800 Jefferson Ave
Ogdensburg, NY 13669
(315) 393-7729
Ogdensburg, NY 13669
(315) 393-7729
Grades: PK-6
| 280 students
Rank: #2525.
Hammond Central School
(Math: 40-44% | Reading: 40-44%)
Rank:
Rank:
5/
Bottom 50%10
51 S Main St
Hammond, NY 13646
(315) 324-5931
Hammond, NY 13646
(315) 324-5931
Grades: PK-12
| 228 students
Rank: #2626.
St. Lawrence Middle School
(Math: 36% | Reading: 39%)
Rank:
Rank:
4/
Bottom 50%10
1039 State Hwy 11c
Brasher Falls, NY 13613
(315) 389-5131
Brasher Falls, NY 13613
(315) 389-5131
Grades: 5-8
| 309 students
Rank: #2727.
Edwards-knox Junior-senior High School
(Math: 40-44% | Reading: 25-29%)
Rank:
Rank:
3/
Bottom 50%10
2512 County Route 24
Hermon, NY 13652
(315) 562-8131
Hermon, NY 13652
(315) 562-8131
Grades: 7-12
| 225 students
Rank: #2828.
Hermon-dekalb Central School
(Math: 25-29% | Reading: 35-39%)
Rank:
Rank:
3/
Bottom 50%10
709 E Dekalb Rd
De Kalb Junction, NY 13630
(315) 347-3442
De Kalb Junction, NY 13630
(315) 347-3442
Grades: PK-12
| 371 students
Rank: #2929.
F S Banford Elementary School
(Math: 35-39% | Reading: 25-29%)
Rank:
Rank:
3/
Bottom 50%10
99 State St
Canton, NY 13617
(315) 386-8561
Canton, NY 13617
(315) 386-8561
Grades: PK-4
| 408 students
Rank: #3030.
J William Leary Junior High School
(Math: 26% | Reading: 38%)
Rank:
Rank:
3/
Bottom 50%10
1 School St
Massena, NY 13662
(315) 764-3720
Massena, NY 13662
(315) 764-3720
Grades: 7-8
| 380 students
Rank: #3131.
John F Kennedy School
(Math: 23% | Reading: 38%)
Rank:
Rank:
3/
Bottom 50%10
801-809 Park St
Ogdensburg, NY 13669
(315) 393-4264
Ogdensburg, NY 13669
(315) 393-4264
Grades: PK-6
| 462 students
Rank: #3232.
Gouverneur Middle School
(Math: 22% | Reading: 35%)
Rank:
Rank:
3/
Bottom 50%10
25 Wilson St
Gouverneur, NY 13642
(315) 287-1903
Gouverneur, NY 13642
(315) 287-1903
Grades: 5-8
| 447 students
Rank: #3333.
Edwards-knox Elementary School
(Math: 20-24% | Reading: 30-34%)
Rank:
Rank:
2/
Bottom 50%10
2512 County Route 24
Hermon, NY 13652
(315) 562-8132
Hermon, NY 13652
(315) 562-8132
Grades: PK-6
| 289 students
Rank: #3434.
Norwood-norfolk Middle School
(Math: 20% | Reading: 34%)
Rank:
Rank:
2/
Bottom 50%10
7852 State Hwy 56
Norwood, NY 13668
(315) 353-6631
Norwood, NY 13668
(315) 353-6631
Grades: 5-8
| 293 students
Rank: #3535.
Norwood-norfolk Elementary School
(Math: 20-24% | Reading: 25-29%)
Rank:
Rank:
2/
Bottom 50%10
7852 State Hwy 56
Norwood, NY 13668
(315) 353-6674
Norwood, NY 13668
(315) 353-6674
Grades: PK-4
| 341 students
Show 4 more public schools in St. Lawrence County, NY (out of 39 total schools)
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St. Lawrence County Public Schools (Closed)
School
Location
Grades
Students
2582 State Highway 345
Madrid, NY 13660
(315) 322-5634
Madrid, NY 13660
(315) 322-5634
Grades: PK-5
| 360 students
4921 State Hwy 56
Colton, NY 13625
(315) 262-2100
Colton, NY 13625
(315) 262-2100
Grades: PK-6
| 185 students
3845 State Hwy 58
Gouverneur, NY 13642
(315) 287-1949
Gouverneur, NY 13642
(315) 287-1949
Grades: K-5
| 120 students
Gouverneur Correctional Facilty (Closed 2008)
Alternative School
Scotch Settlement Rd
Gouverneur, NY 13642
(315) 287-7351
Gouverneur, NY 13642
(315) 287-7351
Grades: Inquire with school
| n/a students
29 Leroy Street
Potsdam, NY 13676
(315) 265-2000
Potsdam, NY 13676
(315) 265-2000
Grades: 5-8
| 452 students
P.o. Box 67
Madrid, NY 13660
(315) 322-5634
Madrid, NY 13660
(315) 322-5634
Grades: PK-5
| 367 students
Ogdensburg Correctional Facility (Closed 2008)
Alternative School
One Correction Way
Ogdensburg, NY 13669
(315) 393-0281
Ogdensburg, NY 13669
(315) 393-0281
Grades: Inquire with school
| n/a students
1100 State St
Ogdensburg, NY 13669
(315) 393-0900
Ogdensburg, NY 13669
(315) 393-0900
Grades: 9-12
| 701 students
Riverview Correction Facility (Closed 2008)
Alternative School
1110 Tibbits Ave
Ogdensburg, NY 13669
(315) 393-8400
Ogdensburg, NY 13669
(315) 393-8400
Grades: Inquire with school
| n/a students
St. Lawrence Chldrn & Youth Svcs (Closed 2008)
Special Education School
1 Chimney Point Drive
Ogdensburg, NY 13669
(315) 393-3000
Ogdensburg, NY 13669
(315) 393-3000
Grades: 2-11
| 16 students
St. Lawrence Correctional Facility Elementary School (Closed 2016)
Alternative School
17 Commerce Lane
Canton, NY 13617
(315) 379-2430
Canton, NY 13617
(315) 379-2430
Grades: 9-11
| 2 students
615 Franklin St
Ogdensburg, NY 13669
(315) 393-6271
Ogdensburg, NY 13669
(315) 393-6271
Grades: K-2
| 116 students
25 Wilson St
Gouverneur, NY 13642
(315) 287-3200
Gouverneur, NY 13642
(315) 287-3200
Grades: 3-4
| 222 students
Frequently Asked Questions
What are the top ranked public schools in St. Lawrence County, NY?
The top ranked public schools in St. Lawrence County, NY include Potsdam Senior High School, H C Williams Senior High School and Norwood-norfolk School.
How many public schools are located in St. Lawrence County?
39 public schools are located in St. Lawrence County.
What percentage of students in St. Lawrence County go to public school?
96% of all K-12 students in St. Lawrence County are educated in public schools (compared to the NY state average of 85%).
What is the racial composition of students in St. Lawrence County?
St. Lawrence County public schools minority enrollment is 7% of the student body (majority American Indian and Hispanic), which is less than the New York public schools average of 60% (majority Hispanic).
Which public schools in St. Lawrence County are often viewed compared to one another?
Popular comparisons of public schools in St. Lawrence County include: Heuvelton Central School vs. Lisbon Central School, Ogdensburg Free Academy vs. Lisbon Central School, Potsdam Senior High School vs. H C Williams Senior High School
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