| Index | Belleville | New York | National |
| Average Test Scores | 46% | 48% | 49% |
| 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 | Belleville | New York | National |
| Completed 8th grade | 75.2% | 83.5% | 84.3% |
| Completed high school | 75.2% | 82.1% | 83.0% |
| Completed some college | 24.8% | 59.5% | 59.4% |
| Completed associate degree | 13.7% | 43.4% | 38.5% |
| Completed bachelors | 13.7% | 34.7% | 30.3% |
| Completed masters | 6.0% | 15.1% | 11.5% |
| Completed professional degree | 0.0% | 4.2% | 3.3% |
| Completed doctorate | 0.0% | 1.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Belleville. Using the proficiency score averages, the average test scores for Belleville, NY schools is 46%. The average student to teacher ratio is n/a. In Belleville, NY, an average of 75.2% of students have completed 8th grade and an average of 75.2% have completed high school.
| City, State | Population | Avg. Test Scores | National Avg. |
| Adams, NY | 1,634 | 65% | 32% |
| Sandy Creek, NY | 881 | 53% | 7% |
| Sackets Harbor, NY | 1,504 | 45% | 10% |
| Watertown, NY | 26,997 | 36% | 27% |
| Mannsville, NY | 376 | 35% | 30% |
| Belleville, NY | 196 | 46% | 7% |
| City, State | Population | Avg. Test Scores | National Avg. |
| Aline, OK | 196 | 40% | 19% |
| Plaucheville, LA | 196 | 61% | 23% |
| Glen Ridge, FL | 196 | 40% | 20% |
| Wyoming, RI | 196 | 60% | 21% |
| Washta, IA | 197 | 82% | 67% |
| Belleville, NY | 196 | 46% | 7% |
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