| Index | Harrison | New York | National |
| Average Test Scores | 72% | 56% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | 4 | 4,060 | 79,221 |
| Total private schools | n/a | 1,092 | 24,874 |
| Total post-secondary schools | n/a | 483 | 7,963 |
| Index | Harrison | New York | National |
| Completed 8th grade | 90.8% | 83.5% | 84.3% |
| Completed high school | 90.2% | 82.1% | 83.0% |
| Completed some college | 71.9% | 59.5% | 59.4% |
| Completed associate degree | 58.1% | 43.4% | 38.5% |
| Completed bachelors | 52.1% | 34.7% | 30.3% |
| Completed masters | 23.6% | 15.1% | 11.5% |
| Completed professional degree | 7.5% | 4.2% | 3.3% |
| Completed doctorate | 2.0% | 1.5% | 1.3% |
There are a total of 4 public schools, n/a private schools and n/a post-secondary schools in Harrison. Using the proficiency score averages, the average test scores for Harrison, NY schools is 72%. The average student to teacher ratio is n/a. In Harrison, NY, an average of 90.8% of students have completed 8th grade and an average of 90.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Orangeburg, NY | 4,544 | 98% | 103.1% |
| Sea Cliff, NY | 5,212 | 92% | 91.7% |
| Old Westbury, NY | 4,784 | 91% | 88.5% |
| Jericho, NY | 14,448 | 90% | 87.1% |
| Glen Head, NY | 4,979 | 89% | 85.7% |
| Harrison, NY | 29,018 | 72% | 49.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Englewood, NJ | 29,019 | 39% | 19.0% |
| Eagle, ID | 29,040 | 66% | 38.1% |
| Jeffersontown, KY | 29,051 | 35% | 27.6% |
| Aberdeen, SD | 29,054 | 53% | 10.0% |
| Saugus, MA | 29,084 | 54% | 12.9% |
| Harrison, NY | 29,018 | 72% | 49.5% |
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