| Index | Newmarket | New Hampshire | National |
| Average Test Scores | 56% | 52% | 48% |
| Student/Teacher ratio | 13:1 | 13:1 | 16:1 |
| Total public schools | 3 | 234 | 79,221 |
| Total private schools | 1 | 144 | 24,874 |
| Total post-secondary schools | n/a | 40 | 7,963 |
| Index | Newmarket | New Hampshire | National |
| Completed 8th grade | 88.5% | 89.5% | 84.3% |
| Completed high school | 88.1% | 88.4% | 83.0% |
| Completed some college | 69.1% | 64.2% | 59.4% |
| Completed associate degree | 52.2% | 45.3% | 38.5% |
| Completed bachelors | 43.2% | 35.5% | 30.3% |
| Completed masters | 15.6% | 13.4% | 11.5% |
| Completed professional degree | 3.1% | 3.3% | 3.3% |
| Completed doctorate | 1.8% | 1.4% | 1.3% |
There are a total of 3 public schools, 1 private schools and n/a post-secondary schools in Newmarket. Using the proficiency score averages, the average test scores for Newmarket, NH schools is 56%. The average student to teacher ratio is 13:1. In Newmarket, NH, an average of 88.5% of students have completed 8th grade and an average of 88.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Durham, NH | 12,016 | 76% | 57.8% |
| Portsmouth, NH | 21,418 | 75% | 55.8% |
| Hampton, NH | 10,002 | 70% | 45.1% |
| Kittery Point, ME | 1,034 | 65% | 34.4% |
| South Eliot, ME | 3,047 | 60% | 25.0% |
| Newmarket, NH | 5,737 | 56% | 15.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Schriever, LA | 5,734 | 75% | 55.7% |
| Nolanville, TX | 5,732 | 50% | 3.6% |
| New Brighton, PA | 5,731 | 50% | 4.2% |
| Lewisburg, PA | 5,730 | 76% | 57.3% |
| Estherville, IA | 5,729 | 57% | 18.1% |
| Newmarket, NH | 5,737 | 56% | 15.6% |
Here are the best places to live in New Hampshire
These are the largest cities in New Hampshire
See the best places to live in Newmarket
Most Dangerous States In The US