| Index | Arlington | 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 | Arlington | New York | National |
| Completed 8th grade | 83.9% | 83.5% | 84.3% |
| Completed high school | 83.2% | 82.1% | 83.0% |
| Completed some college | 63.6% | 59.5% | 59.4% |
| Completed associate degree | 36.6% | 43.4% | 38.5% |
| Completed bachelors | 32.1% | 34.7% | 30.3% |
| Completed masters | 9.1% | 15.1% | 11.5% |
| Completed professional degree | 4.8% | 4.2% | 3.3% |
| Completed doctorate | 3.9% | 1.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Arlington. Using the proficiency score averages, the average test scores for Arlington, NY schools is n/a. The average student to teacher ratio is n/a. In Arlington, NY, an average of 83.9% of students have completed 8th grade and an average of 83.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Hopewell Junction, NY | 742 | 74% | 54.9% |
| Millbrook, NY | 1,376 | 68% | 41.7% |
| Freedom Plains, NY | 716 | 64% | 33.3% |
| New Paltz, NY | 7,452 | 64% | 32.3% |
| Stone Ridge, NY | 2,627 | 62% | 29.2% |
| Arlington, NY | 2,770 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Middlefield, OH | 2,770 | 63% | 30.6% |
| Winnie, TX | 2,770 | 50% | 3.5% |
| Manchester, PA | 2,769 | 72% | 49.2% |
| Mountain View, MO | 2,769 | 40% | 16.0% |
| Panhandle, TX | 2,771 | 68% | 41.7% |
| Arlington, NY | 2,770 | n/a |
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