| Index | Littleton | New Hampshire | National |
| Average Test Scores | 48% | 52% | 48% |
| Student/Teacher ratio | 12:1 | 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 | Littleton | New Hampshire | National |
| Completed 8th grade | 86.1% | 89.5% | 84.3% |
| Completed high school | 83.9% | 88.4% | 83.0% |
| Completed some college | 56.5% | 64.2% | 59.4% |
| Completed associate degree | 32.7% | 45.3% | 38.5% |
| Completed bachelors | 25.6% | 35.5% | 30.3% |
| Completed masters | 9.2% | 13.4% | 11.5% |
| Completed professional degree | 3.2% | 3.3% | 3.3% |
| Completed doctorate | 0.9% | 1.4% | 1.3% |
There are a total of 3 public schools, 1 private schools and n/a post-secondary schools in Littleton. Using the proficiency score averages, the average test scores for Littleton, NH schools is 48%. The average student to teacher ratio is 12:1. In Littleton, NH, an average of 86.1% of students have completed 8th grade and an average of 83.9% 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% |
| Lisbon, NH | 873 | 52% | 7.3% |
| Woodsville, NH | 1,187 | 40% | 16.7% |
| Lancaster, NH | 1,947 | 40% | 17.7% |
| Littleton, NH | 4,429 | 48% | 0.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Garwood, NJ | 4,429 | 56% | 16.7% |
| Springville, NY | 4,429 | 61% | 26.0% |
| Grayson, GA | 4,430 | 66% | 36.7% |
| Laurel, DE | 4,430 | 36% | 25.3% |
| Dillon, MT | 4,427 | 54% | 12.5% |
| Littleton, NH | 4,429 | 48% | 0.3% |
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