| Index | Castorland | New York | National |
| Average Test Scores | n/a | 56% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | n/a | 4,060 | 79,221 |
| Total private schools | n/a | 1,092 | 24,874 |
| Total post-secondary schools | n/a | 483 | 7,963 |
| Index | Castorland | New York | National |
| Completed 8th grade | 88.9% | 83.5% | 84.3% |
| Completed high school | 80.6% | 82.1% | 83.0% |
| Completed some college | 43.3% | 59.5% | 59.4% |
| Completed associate degree | 25.8% | 43.4% | 38.5% |
| Completed bachelors | 18.9% | 34.7% | 30.3% |
| Completed masters | 9.2% | 15.1% | 11.5% |
| Completed professional degree | 0.9% | 4.2% | 3.3% |
| Completed doctorate | 0.0% | 1.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Castorland. Using the proficiency score averages, the average test scores for Castorland, NY schools is n/a. The average student to teacher ratio is n/a. In Castorland, NY, an average of 88.9% of students have completed 8th grade and an average of 80.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lowville, NY | 3,442 | 68% | 41.7% |
| Evans Mills, NY | 460 | 60% | 24.0% |
| Copenhagen, NY | 754 | 53% | 10.4% |
| Carthage, NY | 3,443 | 52% | 8.6% |
| Black River, NY | 1,469 | 37% | 22.9% |
| Castorland, NY | 388 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Weldon, IL | 388 | 15% | 68.8% |
| Annapolis, MO | 388 | 35% | 28.1% |
| Coupland, TX | 388 | 52% | 8.3% |
| Culdesac, ID | 388 | 25% | 47.9% |
| Cantua Creek, CA | 388 | 27% | 43.8% |
| Castorland, NY | 388 | n/a |
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