| Index | Deer Park | New York | National |
| Average Test Scores | 69% | 56% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | 6 | 4,060 | 79,221 |
| Total private schools | 1 | 1,092 | 24,874 |
| Total post-secondary schools | n/a | 483 | 7,963 |
| Index | Deer Park | New York | National |
| Completed 8th grade | 86.8% | 83.5% | 84.3% |
| Completed high school | 86.1% | 82.1% | 83.0% |
| Completed some college | 56.7% | 59.5% | 59.4% |
| Completed associate degree | 38.0% | 43.4% | 38.5% |
| Completed bachelors | 27.3% | 34.7% | 30.3% |
| Completed masters | 10.6% | 15.1% | 11.5% |
| Completed professional degree | 1.4% | 4.2% | 3.3% |
| Completed doctorate | 0.5% | 1.5% | 1.3% |
There are a total of 6 public schools, 1 private schools and n/a post-secondary schools in Deer Park. Using the proficiency score averages, the average test scores for Deer Park, NY schools is 69%. The average student to teacher ratio is n/a. In Deer Park, NY, an average of 86.8% of students have completed 8th grade and an average of 86.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Old Westbury, NY | 4,618 | 91% | 88.5% |
| Jericho, NY | 13,928 | 90% | 87.1% |
| Old Bethpage, NY | 5,450 | 90% | 86.5% |
| Cold Spring Harbor, NY | 2,864 | 87% | 81.3% |
| East Meadow, NY | 37,992 | 86% | 79.2% |
| Deer Park, NY | 26,043 | 69% | 44.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Terrytown, LA | 26,044 | 49% | 2.1% |
| Barberton, OH | 26,030 | 58% | 21.1% |
| Medina, OH | 26,026 | 77% | 61.3% |
| Bessemer, AL | 26,063 | 31% | 34.8% |
| Wethersfield, CT | 26,068 | 60% | 25.5% |
| Deer Park, NY | 26,043 | 69% | 44.4% |
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