| Index | Lancaster | New Hampshire | National |
| Average Test Scores | 40% | 52% | 48% |
| Student/Teacher ratio | 12:1 | 13:1 | 16:1 |
| Total public schools | 1 | 234 | 79,221 |
| Total private schools | 1 | 144 | 24,874 |
| Total post-secondary schools | n/a | 40 | 7,963 |
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| Index | Lancaster | New Hampshire | National |
| Completed 8th grade | 89.3% | 89.5% | 84.3% |
| Completed high school | 86.9% | 88.4% | 83.0% |
| Completed some college | 58.0% | 64.2% | 59.4% |
| Completed associate degree | 40.9% | 45.3% | 38.5% |
| Completed bachelors | 29.0% | 35.5% | 30.3% |
| Completed masters | 17.0% | 13.4% | 11.5% |
| Completed professional degree | 3.2% | 3.3% | 3.3% |
| Completed doctorate | 0.0% | 1.4% | 1.3% |
There are a total of 1 public schools, 1 private schools and n/a post-secondary schools in Lancaster. Using the proficiency score averages, the average test scores for Lancaster, NH schools is 40%. The average student to teacher ratio is 12:1. In Lancaster, NH, an average of 89.3% of students have completed 8th grade and an average of 86.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Bethlehem, NH | 1,090 | 67% | 39.9% |
| Whitefield, NH | 1,239 | 55% | 13.5% |
| Littleton, NH | 4,429 | 48% | 0.3% |
| Groveton, NH | 933 | 34% | 29.2% |
| Lancaster, NH | 1,947 | 40% | 17.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Melville, RI | 1,947 | 62% | 29.2% |
| Freeport, ME | 1,947 | 60% | 25.3% |
| Roanoke, IL | 1,948 | 47% | 1.6% |
| Comanche, OK | 1,946 | 30% | 38.3% |
| Manteo, NC | 1,948 | 50% | 4.9% |
| Lancaster, NH | 1,947 | 40% | 17.7% |
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