| Index | Casco | Maine | National |
| Average Test Scores | n/a | 45% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 345 | 79,221 |
| Total private schools | n/a | 89 | 24,874 |
| Total post-secondary schools | n/a | 45 | 7,963 |
| Index | Casco | Maine | National |
| Completed 8th grade | 89.3% | 88.3% | 84.3% |
| Completed high school | 89.3% | 86.8% | 83.0% |
| Completed some college | 38.9% | 58.8% | 59.4% |
| Completed associate degree | 17.8% | 39.0% | 38.5% |
| Completed bachelors | 15.2% | 29.3% | 30.3% |
| Completed masters | 0.2% | 10.5% | 11.5% |
| Completed professional degree | 0.2% | 3.0% | 3.3% |
| Completed doctorate | 0.0% | 1.3% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Casco. Using the proficiency score averages, the average test scores for Casco, ME schools is n/a. The average student to teacher ratio is n/a. In Casco, ME, an average of 89.3% of students have completed 8th grade and an average of 89.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Cumberland Center, ME | 3,044 | 72% | 49.7% |
| Gray, ME | 765 | 47% | 1.7% |
| North Windham, ME | 5,875 | 47% | 3.1% |
| Bridgton, ME | 1,911 | 45% | 7.3% |
| Steep Falls, ME | 2,082 | 40% | 16.7% |
| Casco, ME | 735 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Clint, TX | 735 | 54% | 11.5% |
| Fincastle, VA | 735 | 86% | 78.1% |
| Oxford, IA | 735 | 77% | 60.4% |
| Sullivan, WI | 735 | 72% | 50.0% |
| Alden, MN | 735 | 55% | 13.5% |
| Casco, ME | 735 | n/a |
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