| Index | Castanea | Pennsylvania | National |
| Average Test Scores | n/a | 55% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 2,563 | 79,221 |
| Total private schools | n/a | 1,626 | 24,874 |
| Total post-secondary schools | n/a | 406 | 7,963 |
| Index | Castanea | Pennsylvania | National |
| Completed 8th grade | 90.1% | 86.9% | 84.3% |
| Completed high school | 88.7% | 85.6% | 83.0% |
| Completed some college | 44.7% | 53.6% | 59.4% |
| Completed associate degree | 26.7% | 37.4% | 38.5% |
| Completed bachelors | 14.9% | 29.3% | 30.3% |
| Completed masters | 6.2% | 11.5% | 11.5% |
| Completed professional degree | 1.2% | 3.3% | 3.3% |
| Completed doctorate | 0.4% | 1.4% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Castanea. Using the proficiency score averages, the average test scores for Castanea, PA schools is n/a. The average student to teacher ratio is n/a. In Castanea, PA, an average of 90.1% of students have completed 8th grade and an average of 88.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Howard, PA | 817 | 89% | 85.4% |
| Rebersburg, PA | 530 | 75% | 56.3% |
| Jersey Shore, PA | 4,181 | 65% | 35.8% |
| Mill Hall, PA | 1,710 | 54% | 12.5% |
| Blanchard, PA | 448 | 45% | 7.3% |
| Castanea, PA | 1,005 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Yorkshire, NY | 1,005 | 73% | 52.1% |
| Ehrenberg, AZ | 1,005 | 25% | 49.0% |
| Mansfield, IL | 1,006 | 27% | 44.8% |
| Plummer, ID | 1,006 | 18% | 61.8% |
| Avoca, NY | 1,006 | 55% | 13.5% |
| Castanea, PA | 1,005 | n/a |
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