| Index | Armonk | New York | National |
| Average Test Scores | 86% | 56% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | 4 | 4,060 | 79,221 |
| Total private schools | 2 | 1,092 | 24,874 |
| Total post-secondary schools | n/a | 483 | 7,963 |
| Index | Armonk | New York | National |
| Completed 8th grade | 98.0% | 83.5% | 84.3% |
| Completed high school | 98.0% | 82.1% | 83.0% |
| Completed some college | 90.7% | 59.5% | 59.4% |
| Completed associate degree | 79.2% | 43.4% | 38.5% |
| Completed bachelors | 75.6% | 34.7% | 30.3% |
| Completed masters | 41.5% | 15.1% | 11.5% |
| Completed professional degree | 16.1% | 4.2% | 3.3% |
| Completed doctorate | 5.1% | 1.5% | 1.3% |
There are a total of 4 public schools, 2 private schools and n/a post-secondary schools in Armonk. Using the proficiency score averages, the average test scores for Armonk, NY schools is 86%. The average student to teacher ratio is n/a. In Armonk, NY, an average of 98.0% of students have completed 8th grade and an average of 98.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lincolndale, NY | 1,407 | 99% | 105.2% |
| Orangeburg, NY | 4,454 | 98% | 103.1% |
| Shrub Oak, NY | 3,094 | 97% | 102.1% |
| Fort Montgomery, NY | 1,867 | 94% | 94.8% |
| Bronxville, NY | 6,450 | 88% | 82.3% |
| Armonk, NY | 4,440 | 86% | 78.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Dilley, TX | 4,441 | 32% | 34.4% |
| Seven Lakes, NC | 4,438 | 64% | 33.3% |
| Armona, CA | 4,437 | 34% | 30.2% |
| Beecher, IL | 4,443 | 35% | 27.1% |
| Lebanon, IL | 4,443 | 26% | 45.8% |
| Armonk, NY | 4,440 | 86% | 78.8% |
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