| Index | Katonah | New York | National |
| Average Test Scores | 75% | 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 | Katonah | New York | National |
| Completed 8th grade | 96.2% | 83.5% | 84.3% |
| Completed high school | 96.2% | 82.1% | 83.0% |
| Completed some college | 86.4% | 59.5% | 59.4% |
| Completed associate degree | 80.6% | 43.4% | 38.5% |
| Completed bachelors | 77.0% | 34.7% | 30.3% |
| Completed masters | 40.5% | 15.1% | 11.5% |
| Completed professional degree | 11.9% | 4.2% | 3.3% |
| Completed doctorate | 3.1% | 1.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Katonah. Using the proficiency score averages, the average test scores for Katonah, NY schools is 75%. The average student to teacher ratio is n/a. In Katonah, NY, an average of 96.2% of students have completed 8th grade and an average of 96.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lincolndale, NY | 1,407 | 99% | 105.2% |
| Carmel Hamlet, NY | 6,278 | 99% | 105.2% |
| Orangeburg, NY | 4,454 | 98% | 103.1% |
| Shrub Oak, NY | 3,094 | 97% | 102.1% |
| Chappaqua, NY | 2,628 | 86% | 79.0% |
| Katonah, NY | 1,706 | 75% | 55.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Erin, TN | 1,706 | 29% | 39.9% |
| Weyauwega, WI | 1,706 | 43% | 10.8% |
| Quincy, CA | 1,706 | 42% | 13.3% |
| Ripley, OH | 1,707 | 51% | 5.7% |
| Delavan, IL | 1,708 | 34% | 29.2% |
| Katonah, NY | 1,706 | 75% | 55.2% |
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