| Index | Limestone | Maine | National |
| Average Test Scores | 62% | 45% | 48% |
| Student/Teacher ratio | 10:1 | 14:1 | 16:1 |
| Total public schools | 2 | 345 | 79,221 |
| Total private schools | n/a | 89 | 24,874 |
| Total post-secondary schools | n/a | 45 | 7,963 |
| Index | Limestone | Maine | National |
| Completed 8th grade | 77.8% | 88.3% | 84.3% |
| Completed high school | 76.8% | 86.8% | 83.0% |
| Completed some college | 42.9% | 58.8% | 59.4% |
| Completed associate degree | 23.2% | 39.0% | 38.5% |
| Completed bachelors | 15.8% | 29.3% | 30.3% |
| Completed masters | 8.6% | 10.5% | 11.5% |
| Completed professional degree | 1.1% | 3.0% | 3.3% |
| Completed doctorate | 0.6% | 1.3% | 1.3% |
There are a total of 2 public schools, n/a private schools and n/a post-secondary schools in Limestone. Using the proficiency score averages, the average test scores for Limestone, ME schools is 62%. The average student to teacher ratio is 10:1. In Limestone, ME, an average of 77.8% of students have completed 8th grade and an average of 76.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Fort Fairfield, ME | 1,624 | 45% | 7.3% |
| Washburn, ME | 1,030 | 42% | 12.0% |
| Caribou, ME | 7,659 | 37% | 23.6% |
| Limestone, ME | 1,527 | 62% | 29.7% |
| City | Population | Avg. Test Scores | National Avg. |
| New Market, MD | 1,527 | 64% | 32.6% |
| Plentywood, MT | 1,527 | 40% | 17.0% |
| Mayo, FL | 1,526 | 66% | 36.5% |
| Paonia, CO | 1,528 | 50% | 3.5% |
| Mansura, LA | 1,529 | 93% | 93.8% |
| Limestone, ME | 1,527 | 62% | 29.7% |
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