| Index | Mamaroneck | New York | National |
| Average Test Scores | 77% | 56% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | 6 | 4,060 | 79,221 |
| Total private schools | 3 | 1,092 | 24,874 |
| Total post-secondary schools | n/a | 483 | 7,963 |

| Index | Mamaroneck | New York | National |
| Completed 8th grade | 86.0% | 83.5% | 84.3% |
| Completed high school | 84.6% | 82.1% | 83.0% |
| Completed some college | 66.5% | 59.5% | 59.4% |
| Completed associate degree | 52.4% | 43.4% | 38.5% |
| Completed bachelors | 48.8% | 34.7% | 30.3% |
| Completed masters | 24.9% | 15.1% | 11.5% |
| Completed professional degree | 5.9% | 4.2% | 3.3% |
| Completed doctorate | 2.0% | 1.5% | 1.3% |
There are a total of 6 public schools, 3 private schools and n/a post-secondary schools in Mamaroneck. Using the proficiency score averages, the average test scores for Mamaroneck, NY schools is 77%. The average student to teacher ratio is n/a. In Mamaroneck, NY, an average of 86.0% of students have completed 8th grade and an average of 84.6% 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% |
| Old Bethpage, NY | 5,640 | 90% | 86.5% |
| Mamaroneck, NY | 19,917 | 77% | 60.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Sylvania, OH | 19,910 | 77% | 60.7% |
| Boone, NC | 19,927 | 58% | 20.1% |
| Cumberland, MD | 19,928 | 44% | 8.4% |
| Plattsburgh, NY | 19,892 | 46% | 4.2% |
| Orinda, CA | 19,891 | 87% | 81.4% |
| Mamaroneck, NY | 19,917 | 77% | 60.6% |