| Index | Croghan | 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 | Croghan | New York | National |
| Completed 8th grade | 90.6% | 83.5% | 84.3% |
| Completed high school | 85.9% | 82.1% | 83.0% |
| Completed some college | 42.6% | 59.5% | 59.4% |
| Completed associate degree | 26.8% | 43.4% | 38.5% |
| Completed bachelors | 14.3% | 34.7% | 30.3% |
| Completed masters | 6.4% | 15.1% | 11.5% |
| Completed professional degree | 0.0% | 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 Croghan. Using the proficiency score averages, the average test scores for Croghan, NY schools is n/a. The average student to teacher ratio is n/a. In Croghan, NY, an average of 90.6% of students have completed 8th grade and an average of 85.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lowville, NY | 3,329 | 68% | 41.7% |
| Copenhagen, NY | 728 | 53% | 10.4% |
| Carthage, NY | 3,364 | 52% | 8.6% |
| Croghan, NY | 603 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Leedey, OK | 603 | 32% | 32.8% |
| Wausa, NE | 603 | 53% | 10.9% |
| Moravia, IA | 603 | 60% | 24.0% |
| Shoshoni, WY | 603 | 48% | = 100 |
| Hershey, NE | 604 | 52% | 8.3% |
| Croghan, NY | 603 | n/a |
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