| Index | Portville | New York | National |
| Average Test Scores | 62% | 56% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | 2 | 4,060 | 79,221 |
| Total private schools | 1 | 1,092 | 24,874 |
| Total post-secondary schools | n/a | 483 | 7,963 |
| Index | Portville | New York | National |
| Completed 8th grade | 87.1% | 83.5% | 84.3% |
| Completed high school | 86.6% | 82.1% | 83.0% |
| Completed some college | 61.8% | 59.5% | 59.4% |
| Completed associate degree | 44.5% | 43.4% | 38.5% |
| Completed bachelors | 28.6% | 34.7% | 30.3% |
| Completed masters | 13.4% | 15.1% | 11.5% |
| Completed professional degree | 1.6% | 4.2% | 3.3% |
| Completed doctorate | 0.3% | 1.5% | 1.3% |
There are a total of 2 public schools, 1 private schools and n/a post-secondary schools in Portville. Using the proficiency score averages, the average test scores for Portville, NY schools is 62%. The average student to teacher ratio is n/a. In Portville, NY, an average of 87.1% of students have completed 8th grade and an average of 86.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Shinglehouse, PA | 1,059 | 64% | 33.0% |
| Cuba, NY | 1,452 | 64% | 32.6% |
| Allegany, NY | 1,981 | 56% | 16.7% |
| Olean, NY | 13,580 | 52% | 8.6% |
| Eldred, PA | 637 | 52% | 8.3% |
| Portville, NY | 943 | 62% | 28.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Dawson, TX | 943 | 37% | 22.9% |
| Dexter, GA | 943 | 51% | 5.2% |
| Brownsville, KY | 943 | 54% | 11.5% |
| Cascade-Chipita Park, CO | 943 | 37% | 22.9% |
| Town Creek, AL | 943 | 43% | 11.5% |
| Portville, NY | 943 | 62% | 28.1% |
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