| Index | Long Hill | Connecticut | National |
| Average Test Scores | n/a | 53% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 654 | 79,221 |
| Total private schools | n/a | 207 | 24,874 |
| Total post-secondary schools | n/a | 81 | 7,963 |

| Index | Long Hill | Connecticut | National |
| Completed 8th grade | 90.1% | 88.0% | 84.3% |
| Completed high school | 89.1% | 86.9% | 83.0% |
| Completed some college | 58.4% | 62.9% | 59.4% |
| Completed associate degree | 36.5% | 45.5% | 38.5% |
| Completed bachelors | 32.4% | 38.0% | 30.3% |
| Completed masters | 12.9% | 16.8% | 11.5% |
| Completed professional degree | 4.1% | 4.6% | 3.3% |
| Completed doctorate | 4.1% | 1.7% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Long Hill. Using the proficiency score averages, the average test scores for Long Hill, CT schools is n/a. The average student to teacher ratio is n/a. In Long Hill, CT, an average of 90.1% of students have completed 8th grade and an average of 89.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Fishers Island, NY | 63 | 80% | 66.7% |
| Stonington, CT | 930 | 77% | 60.4% |
| Niantic, CT | 3,169 | 77% | 59.4% |
| Ashaway, RI | 1,489 | 72% | 50.0% |
| Pawcatuck, CT | 5,162 | 68% | 42.4% |
| Long Hill, CT | 8,528 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Fort Dix, NJ | 8,529 | 55% | 13.5% |
| Wetumpka, AL | 8,530 | 51% | 5.2% |
| Oak Grove, MO | 8,530 | 49% | 2.8% |
| Jefferson City, TN | 8,524 | 30% | 37.8% |
| Fletcher, NC | 8,533 | 51% | 6.3% |
| Long Hill, CT | 8,528 | n/a |