| Index | Altmar | New York | National |
| Average Test Scores | n/a | 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 | Altmar | New York | National |
| Completed 8th grade | 66.2% | 83.5% | 84.3% |
| Completed high school | 64.4% | 82.1% | 83.0% |
| Completed some college | 30.1% | 59.5% | 59.4% |
| Completed associate degree | 12.5% | 43.4% | 38.5% |
| Completed bachelors | 4.6% | 34.7% | 30.3% |
| Completed masters | 4.2% | 15.1% | 11.5% |
| Completed professional degree | 0.5% | 4.2% | 3.3% |
| Completed doctorate | 0.5% | 1.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Altmar. Using the proficiency score averages, the average test scores for Altmar, NY schools is n/a. The average student to teacher ratio is n/a. In Altmar, NY, an average of 66.2% of students have completed 8th grade and an average of 64.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Sandy Creek, NY | 572 | 59% | 22.6% |
| Camden, NY | 2,560 | 57% | 18.8% |
| Mexico, NY | 1,734 | 56% | 15.6% |
| Pulaski, NY | 2,217 | 55% | 13.9% |
| Mannsville, NY | 394 | 50% | 3.1% |
| Altmar, NY | 289 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Davidson, OK | 289 | 20% | 58.3% |
| Cranfills Gap, TX | 289 | 35% | 28.1% |
| Tower City, ND | 289 | 56% | 16.7% |
| Conesville, OH | 289 | 67% | 39.6% |
| Avant, OK | 289 | 15% | 68.8% |
| Altmar, NY | 289 | n/a |
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