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Best Public Schools in St. Lawrence County (2026)
Public School Review - Established 2003

Best St. Lawrence County Public Schools (2026)

For the 2026 school year, there are 39 public schools serving 13,896 students in St. Lawrence County, NY (there are 7 private schools, serving 670 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 86%).
The top-ranked public schools in St. Lawrence County, NY are Potsdam Senior High School, H C Williams Senior High School and Saint Lawrence High 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 48% (versus the New York public school average of 53%), and reading proficiency score of 45% (versus the 49% statewide average). Schools in St. Lawrence County have an average ranking of 7/10, 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 61% (majority Hispanic).

Best Public Schools in St. Lawrence County (2026)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Potsdam Senior High School
(Math: 90-94% | Reading: 90-94% )
Rank:
10/
10
Top 5%
29 Leroy St
Potsdam, NY 13676
(315) 265-2000
Gr: 9-12 | 373 students Student-teacher ratio: 11:1 Minority enrollment: 11%
Rank: #22.
H C Williams Senior High School
(Math: ≥90% | Reading: ≥80%)
Rank:
10/
10
Top 5%
99 State St
Canton, NY 13617
(315) 386-8561
Gr: 9-12 | 332 students Student-teacher ratio: 10:1 Minority enrollment: 7%
Rank: #33.
Saint Lawrence High School
(Math: 80-89% | Reading: ≥80%)
Rank:
10/
10
Top 10%
1039 State Hwy 11c
Brasher Falls, NY 13613
(315) 389-5131
Gr: 9-12 | 276 students Student-teacher ratio: 11:1 Minority enrollment: 9%
Rank: #44.
Gouverneur High School
(Math: 60-79% | Reading: 80-84%)
Rank:
9/
10
Top 20%
113 E Barney St
Gouverneur, NY 13642
(315) 287-1900
Gr: 9-12 | 450 students Student-teacher ratio: 12:1 Minority enrollment: 3%
Rank: #55.
Norwood-norfolk School
(Math: 60-69% | Reading: ≥80%)
Rank:
9/
10
Top 20%
7852 State Hwy 56
Norwood, NY 13668
(315) 353-6631
Gr: 9-12 | 290 students Student-teacher ratio: 9:1 Minority enrollment: 4%
Rank: #66.
Colton-pierrepont Central School
(Math: 70-74% | Reading: 60-64%)
Rank:
9/
10
Top 20%
4921 State Hwy 56
Colton, NY 13625
(315) 262-2100
Gr: PK-12 | 359 students Student-teacher ratio: 10:1 Minority enrollment: 2%
Rank: #77.
Lawrence Avenue Elementary School
(Math: 65-69% | Reading: 65-69%)
Rank:
8/
10
Top 30%
29 Leroy St
Potsdam, NY 13676
(315) 265-2000
Gr: PK-4 | 526 students Student-teacher ratio: 13:1 Minority enrollment: 15%
Rank: #88.
Jefferson Elementary School
(Math: 76% | Reading: 50%)
Rank:
8/
10
Top 30%
75 Bayley Rd
Massena, NY 13662
(315) 764-3730
Gr: PK-6 | 452 students Student-teacher ratio: 13:1 Minority enrollment: 24%
Rank: #99.
Massena Senior High School
(Math: 45-49% | Reading: 60-79%)
Rank:
7/
10
Top 50%
84 Nightengale Ave
Massena, NY 13662
(315) 764-3710
Gr: 9-12 | 743 students Student-teacher ratio: 14:1 Minority enrollment: 21%
Rank: #1010.
Nightengale Elementary School
(Math: 55% | Reading: 57%)
Rank:
7/
10
Top 50%
84 Nightengale Ave
Massena, NY 13662
(315) 764-3750
Gr: PK-6 | 454 students Student-teacher ratio: 15:1 Minority enrollment: 16%
Rank: #1111.
A A Kingston Middle School
(Math: 53% | Reading: 53%)
Rank:
6/
10
Top 50%
29 Leroy St
Potsdam, NY 13676
(315) 265-2000
Gr: 2-8 | 393 students Student-teacher ratio: 13:1 Minority enrollment: 13%
Rank: #1212.
Parishville-hopkinton Junior-senior High School
(Math: 40-49% | Reading: 60-69%)
Rank:
6/
10
Top 50%
12 County Rt 47
Parishville, NY 13672
(315) 265-4642
Gr: 7-12 | 159 students Student-teacher ratio: 8:1 Minority enrollment: 1%
Rank: #1313.
Ogdensburg Free Academy
(Math: 48% | Reading: 57%)
Rank:
6/
10
Top 50%
1100 State St
Ogdensburg, NY 13669
(315) 393-0900
Gr: 7-12 | 646 students Student-teacher ratio: 10:1 Minority enrollment: 2%
Rank: #1414.
Madrid-waddington Junior-senior High School
(Math: 55-59% | Reading: 45-49%)
Rank:
6/
10
Top 50%
2582 State Hwy 345
Madrid, NY 13660
(315) 322-5746
Gr: 6-12 | 309 students Student-teacher ratio: 11:1 Minority enrollment: 6%
Rank: #1515.
J M Mckenney Middle School
(Math: 54% | Reading: 49%)
Rank:
6/
10
Top 50%
99 State St
Canton, NY 13617
(315) 386-8561
Gr: 5-8 | 301 students Student-teacher ratio: 10:1 Minority enrollment: 8%
Rank: #1616.
Madison Elementary School
(Math: 52% | Reading: 49%)
Rank:
6/
10
Top 50%
25 Owl Ave
Massena, NY 13662
(315) 764-3740
Gr: PK-6 | 432 students Student-teacher ratio: 14:1 Minority enrollment: 12%
Rank: #1717.
Madrid-waddington Elementary School
(Math: 55-59% | Reading: 40-44%)
Rank:
6/
10
Top 50%
2582 State Hwy 345
Madrid, NY 13660
(315) 322-5634
Gr: PK-7 | 303 students Student-teacher ratio: 12:1 Minority enrollment: 5%
Rank: #1818.
Heuvelton Central School
(Math: 47% | Reading: 51%)
Rank:
6/
10
Top 50%
87 Washington St
Heuvelton, NY 13654
(315) 344-2414
Gr: PK-12 | 510 students Student-teacher ratio: 11:1 Minority enrollment: 2%
Rank: #1919.
Morristown Central School
(Math: 40-44% | Reading: 50-54%)
Rank:
5/
10
Bottom 50%
408 Gouverneur St
Morristown, NY 13664
(315) 375-8814
Gr: PK-12 | 307 students Student-teacher ratio: 10:1 Minority enrollment: 2%
Rank: #2020.
J William Leary Junior High School
(Math: 57% | Reading: 38%)
Rank:
5/
10
Bottom 50%
1 School St
Massena, NY 13662
(315) 764-3720
Gr: 7-8 | 388 students Student-teacher ratio: 11:1 Minority enrollment: 21%
Rank: #2121.
Madill School
(Math: 45-49% | Reading: 45-49%)
Rank:
5/
10
Bottom 50%
800 Jefferson Ave
Ogdensburg, NY 13669
(315) 393-7729
Gr: PK-6 | 277 students Student-teacher ratio: 10:1 Minority enrollment: 2%
Rank: #2222.
Lisbon Central School
(Math: 50% | Reading: 44%)
Rank:
5/
10
Bottom 50%
6866 County Rt 10
Lisbon, NY 13658
(315) 393-4951
Gr: PK-12 | 540 students Student-teacher ratio: 11:1 Minority enrollment: 3%
Rank: #2323.
St. Lawrence Middle School
(Math: 49% | Reading: 39%)
Rank:
5/
10
Bottom 50%
1039 State Hwy 11c
Brasher Falls, NY 13613
(315) 389-5131
Gr: 5-8 | 301 students Student-teacher ratio: 10:1 Minority enrollment: 8%
Rank: #2424.
F S Banford Elementary School
(Math: 55-59% | Reading: 25-29%)
Rank:
4/
10
Bottom 50%
99 State St
Canton, NY 13617
(315) 386-8561
Gr: PK-4 | 408 students Student-teacher ratio: 16:1 Minority enrollment: 8%
Rank: #2525.
Hammond Central School
(Math: 40-44% | Reading: 40-44%)
Rank:
4/
10
Bottom 50%
51 S Main St
Hammond, NY 13646
(315) 324-5931
Gr: PK-12 | 225 students Student-teacher ratio: 8:1 Minority enrollment: 3%
Rank: #2626.
Saint Lawrence Elementary School
(Math: 45-49% | Reading: 35-39%)
Rank:
4/
10
Bottom 50%
1039 State Hwy 11c
Brasher Falls, NY 13613
(315) 389-5131
Gr: PK-4 | 369 students Student-teacher ratio: 11:1 Minority enrollment: 7%
Rank: #2727.
Clifton-fine Junior-senior High School
(Math: 20-29% | Reading: 50-59%)
Rank:
4/
10
Bottom 50%
11 Hall Ave
Star Lake, NY 13690
(315) 848-3333
Gr: 6-12 | 112 students Student-teacher ratio: 5:1 Minority enrollment: 11%
Rank: #2828.
Parishville-hopkinton Elementary School
(Math: 30-34% | Reading: 45-49%)
Rank:
4/
10
Bottom 50%
12 County Rt 47
Parishville, NY 13672
(315) 265-4642
Gr: PK-6 | 177 students Student-teacher ratio: 10:1 Minority enrollment: 3%
Rank: #2929.
John F Kennedy School
(Math: 42% | Reading: 38%)
Rank:
4/
10
Bottom 50%
801-809 Park St
Ogdensburg, NY 13669
(315) 393-4264
Gr: PK-6 | 431 students Student-teacher ratio: 9:1 Minority enrollment: 5%
Rank: #3030.
Hermon-dekalb Central School
(Math: 40-44% | Reading: 35-39%)
Rank:
4/
10
Bottom 50%
709 E Dekalb Rd
De Kalb Junction, NY 13630
(315) 347-3442
Gr: PK-12 | 363 students Student-teacher ratio: 10:1 Minority enrollment: 5%
Rank: #3131.
Edwards-knox Junior-senior High School
(Math: 45-49% | Reading: 25-29%)
Rank:
3/
10
Bottom 50%
2512 County Route 24
Hermon, NY 13652
(315) 562-8131
Gr: 7-12 | 205 students Student-teacher ratio: 9:1 Minority enrollment: 3%
Rank: #3232.
Norwood-norfolk Middle School
(Math: 33% | Reading: 34%)
Rank:
3/
10
Bottom 50%
7852 State Hwy 56
Norwood, NY 13668
(315) 353-6631
Gr: 5-8 | 276 students Student-teacher ratio: 9:1 Minority enrollment: 3%
Rank: #3333.
Gouverneur Middle School
(Math: 29% | Reading: 35%)
Rank:
2/
10
Bottom 50%
25 Wilson St
Gouverneur, NY 13642
(315) 287-1903
Gr: 5-8 | 447 students Student-teacher ratio: 10:1 Minority enrollment: 5%
Rank: #3434.
Norwood-norfolk Elementary School
(Math: 30-34% | Reading: 25-29%)
Rank:
2/
10
Bottom 50%
7852 State Hwy 56
Norwood, NY 13668
(315) 353-6674
Gr: PK-4 | 341 students Student-teacher ratio: 13:1
Rank: #3535.
Edwards-knox Elementary School
(Math: 20-24% | Reading: 30-34%)
Rank:
2/
10
Bottom 50%
2512 County Route 24
Hermon, NY 13652
(315) 562-8132
Gr: PK-6 | 289 students Student-teacher ratio: 10:1 Minority enrollment: 3%

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 Saint Lawrence High 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 86%).
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 61% (majority Hispanic).
Which public schools in St. Lawrence County are often viewed compared to one another?

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