| Index | Groton Long Point | 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 | Groton Long Point | Connecticut | National |
| Completed 8th grade | 98.1% | 88.0% | 84.3% |
| Completed high school | 98.1% | 86.9% | 83.0% |
| Completed some college | 89.8% | 62.9% | 59.4% |
| Completed associate degree | 78.5% | 45.5% | 38.5% |
| Completed bachelors | 71.8% | 38.0% | 30.3% |
| Completed masters | 42.6% | 16.8% | 11.5% |
| Completed professional degree | 16.2% | 4.6% | 3.3% |
| Completed doctorate | 3.9% | 1.7% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Groton Long Point. Using the proficiency score averages, the average test scores for Groton Long Point, CT schools is n/a. The average student to teacher ratio is n/a. In Groton Long Point, CT, an average of 98.1% of students have completed 8th grade and an average of 98.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Fishers Island, NY | 61 | 80% | 66.7% |
| Stonington, CT | 899 | 77% | 60.4% |
| Niantic, CT | 3,083 | 77% | 59.4% |
| Ashaway, RI | 1,444 | 72% | 50.0% |
| Pawcatuck, CT | 5,024 | 68% | 42.4% |
| Groton Long Point, CT | 436 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Newport, NY | 436 | 55% | 13.5% |
| Axtell, KS | 436 | 52% | 8.9% |
| Clayton, WI | 435 | 27% | 43.4% |
| Westover, PA | 437 | 58% | 21.4% |
| Wainwright, AK | 437 | 5% | 89.6% |
| Groton Long Point, CT | 436 | n/a |
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