| Index | Parishville | New York | National |
| Average Test Scores | 58% | 56% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | n/a | 4,060 | 79,221 |
| Total private schools | n/a | 1,092 | 24,874 |
| Total post-secondary schools | n/a | 483 | 7,963 |
| Index | Parishville | New York | National |
| Completed 8th grade | 92.1% | 83.5% | 84.3% |
| Completed high school | 90.4% | 82.1% | 83.0% |
| Completed some college | 69.2% | 59.5% | 59.4% |
| Completed associate degree | 32.2% | 43.4% | 38.5% |
| Completed bachelors | 23.1% | 34.7% | 30.3% |
| Completed masters | 11.0% | 15.1% | 11.5% |
| Completed professional degree | 1.7% | 4.2% | 3.3% |
| Completed doctorate | 1.0% | 1.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Parishville. Using the proficiency score averages, the average test scores for Parishville, NY schools is 58%. The average student to teacher ratio is n/a. In Parishville, NY, an average of 92.1% of students have completed 8th grade and an average of 90.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Potsdam, NY | 9,003 | 64% | 34.0% |
| Colton, NY | 290 | 57% | 18.8% |
| Brasher Falls, NY | 605 | 56% | 16.7% |
| Norwood, NY | 1,543 | 51% | 5.6% |
| St. Regis Falls, NY | 352 | 37% | 22.9% |
| Parishville, NY | 623 | 58% | 21.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Arnett, OK | 623 | 46% | 4.2% |
| Carlock, IL | 623 | 50% | 4.2% |
| McKenna, WA | 623 | 61% | 27.1% |
| Solomon, AZ | 623 | 50% | 3.1% |
| Franklin, IL | 624 | 30% | 38.5% |
| Parishville, NY | 623 | 58% | 21.4% |
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