| Index | Dennis Port | Massachusetts | National |
| Average Test Scores | n/a | 52% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 1,167 | 79,221 |
| Total private schools | n/a | 508 | 24,874 |
| Total post-secondary schools | n/a | 193 | 7,963 |

| Index | Dennis Port | Massachusetts | National |
| Completed 8th grade | 94.9% | 88.3% | 84.3% |
| Completed high school | 94.9% | 87.2% | 83.0% |
| Completed some college | 61.6% | 65.0% | 59.4% |
| Completed associate degree | 41.6% | 49.0% | 38.5% |
| Completed bachelors | 33.4% | 41.2% | 30.3% |
| Completed masters | 14.4% | 18.2% | 11.5% |
| Completed professional degree | 2.7% | 5.4% | 3.3% |
| Completed doctorate | 0.8% | 2.6% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Dennis Port. Using the proficiency score averages, the average test scores for Dennis Port, MA schools is n/a. The average student to teacher ratio is n/a. In Dennis Port, MA, an average of 94.9% of students have completed 8th grade and an average of 94.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| North Eastham, MA | 1,811 | 76% | 57.3% |
| Orleans, MA | 1,576 | 65% | 35.4% |
| Brewster, MA | 1,374 | 62% | 29.2% |
| Harwich Center, MA | 1,431 | 55% | 13.5% |
| Barnstable Town, MA | 45,771 | 54% | 13.3% |
| Dennis Port, MA | 3,647 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Gallipolis, OH | 3,646 | 64% | 32.7% |
| Kimberly, AL | 3,646 | 52% | 8.9% |
| Mora, MN | 3,648 | 57% | 18.0% |
| Dahlgren, VA | 3,645 | 85% | 76.0% |
| Montauk, NY | 3,644 | 55% | 13.5% |
| Dennis Port, MA | 3,647 | n/a |