| District | City | Rating | Students | Schools | Grades | Zip Codes |
|---|---|---|---|---|---|---|
| Colton-Pierrepont Central School District | Childwold | 8/10 Good · 78th pct | 381 | 1 | PK–12 | 3 |
| Potsdam Central School District | Hannawa Falls | 8/10 Good · 71st pct | 1,327 | 3 | PK–12 | 4 |
| Canton Central School District | Canton | 7/10 Good · 63rd pct | 1,140 | 3 | PK–12 | 1 |
| Massena Central School District | Massena | 7/10 Good · 62nd pct | 2,457 | 5 | PK–12 | 2 |
| Heuvelton Central School District | De Peyster | 7/10 Good · 60th pct | 570 | 1 | PK–12 | 3 |
| Lisbon Central School District | Lisbon | 6/10 Average · 57th pct | 579 | 1 | PK–12 | 1 |
| Morristown Central School District | Brier Hill | 6/10 Average · 53rd pct | 337 | 1 | PK–12 | 2 |
| Parishville-Hopkinton Central School District | Parishville | 5/10 Average · 43rd pct | 352 | 2 | PK–12 | 1 |
| Hammond Central School District | Chippewa Bay | 5/10 Average · 40th pct | 258 | 1 | PK–12 | 2 |
| Ogdensburg City School District | Ogdensburg | 4/10 Below Average · 36th pct | 1,467 | 3 | PK–12 | 1 |
| Madrid-Waddington Central School District | Chase Mills | 4/10 Below Average · 35th pct | 671 | 2 | PK–12 | 3 |
| Hermon-DeKalb Central School District | De Kalb Junction | 3/10 Below Average · 26th pct | 403 | 1 | PK–12 | 2 |
| Brasher Falls Central School District | Nicholville | 3/10 Below Average · 20th pct | 995 | 3 | PK–12 | 5 |
| Norwood-Norfolk Central School District | Norfolk | 2/10 Poor · 17th pct | 990 | 3 | PK–12 | 3 |
| Gouverneur Central School District | Gouverneur | 2/10 Poor · 16th pct | 1,470 | 3 | PK–12 | 3 |
| Clifton-Fine Central School District | Cranberry Lake | 2/10 Poor · 12th pct | 254 | 2 | PK–12 | 6 |
| Edwards-Knox Central School District | Edwards | 2/10 Poor · 12th pct | 515 | 2 | PK–12 | 2 |
| Tupper Lake Central School District | Piercefield | 1/10 Poor · 4th pct | 762 | 2 | PK–12 | 1 |
How St. Lawrence County compares
Together they enroll 14,928 students across 39 schools. The largest is Massena Central School District with 2,457 students. Districts here average 4.6/10, below the New York average of 5.4/10. Ratings range from 1/10 to 8/10.
School Districts in St. Lawrence County, New York
St. Lawrence County has 18 public school districts covering 45 zip codes. The top-rated district in St. Lawrence County is Colton-Pierrepont Central School District (8/10). Ratings are based on the share of students proficient in reading and math on state assessments (NY State tests 2023–24), ranked against all districts in New York. Directory details come from NCES CCD 2024–25.
Enter your zip code on any page to confirm your exact district assignment — district boundaries are address-specific and may not follow county or city lines.
Frequently Asked Questions
How many school districts are in St. Lawrence County, NY?
18 school districts serve zip codes in St. Lawrence County, NY. This page lists each one with its rating, enrollment, grade span and the zip codes it covers.
What is the best-rated school district in St. Lawrence County, NY?
Of the districts serving St. Lawrence County, Colton-Pierrepont Central School District has the highest rating on this site at 8/10. That places it in the 78th percentile among New York school districts.
How are these school district ratings calculated?
Each rating is the share of students scoring proficient or above on New York reading and math assessments, ranked against other districts in New York and converted to a 1–10 scale. Percentiles compare districts within New York only, never across state lines.