| Index | Plymouth | New Hampshire | National |
| Average Test Scores | 56% | 52% | 48% |
| Student/Teacher ratio | 12:1 | 13:1 | 16:1 |
| Total public schools | 3 | 234 | 79,221 |
| Total private schools | 4 | 144 | 24,874 |
| Total post-secondary schools | 1 | 40 | 7,963 |
| Index | Plymouth | New Hampshire | National |
| Completed 8th grade | 96.0% | 89.5% | 84.3% |
| Completed high school | 96.0% | 88.4% | 83.0% |
| Completed some college | 73.5% | 64.2% | 59.4% |
| Completed associate degree | 56.6% | 45.3% | 38.5% |
| Completed bachelors | 52.0% | 35.5% | 30.3% |
| Completed masters | 33.8% | 13.4% | 11.5% |
| Completed professional degree | 8.0% | 3.3% | 3.3% |
| Completed doctorate | 5.0% | 1.4% | 1.3% |
There are a total of 3 public schools, 4 private schools and 1 post-secondary schools in Plymouth. Using the proficiency score averages, the average test scores for Plymouth, NH schools is 56%. The average student to teacher ratio is 12:1. In Plymouth, NH, an average of 96.0% of students have completed 8th grade and an average of 96.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| New Hampton, NH | 326 | 75% | 56.3% |
| Center Sandwich, NH | 98 | 70% | 45.8% |
| Meredith, NH | 2,651 | 57% | 18.1% |
| Bristol, NH | 1,970 | 51% | 5.7% |
| Ashland, NH | 1,630 | 50% | 3.1% |
| Plymouth, NH | 4,281 | 56% | 16.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Ashville, OH | 4,281 | 78% | 62.5% |
| Alvarado, TX | 4,282 | 46% | 5.0% |
| Millinocket, ME | 4,280 | 38% | 20.3% |
| Magnolia, NJ | 4,280 | 40% | 17.7% |
| Summerville, GA | 4,283 | 26% | 45.6% |
| Plymouth, NH | 4,281 | 56% | 16.0% |
Here are the best places to live in New Hampshire
Check out the 10 most dangerous cities in New Hampshire
See the best places to live in Plymouth
Safest States In The US