| Index | Mount Gretna Heights | 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 |
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| Index | Mount Gretna Heights | Pennsylvania | National |
| Completed 8th grade | 100.0% | 86.9% | 84.3% |
| Completed high school | 100.0% | 85.6% | 83.0% |
| Completed some college | 75.5% | 53.6% | 59.4% |
| Completed associate degree | 65.4% | 37.4% | 38.5% |
| Completed bachelors | 63.4% | 29.3% | 30.3% |
| Completed masters | 39.3% | 11.5% | 11.5% |
| Completed professional degree | 1.9% | 3.3% | 3.3% |
| Completed doctorate | 0.0% | 1.4% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Mount Gretna Heights. Using the proficiency score averages, the average test scores for Mount Gretna Heights, PA schools is n/a. The average student to teacher ratio is n/a. In Mount Gretna Heights, PA, an average of 100.0% of students have completed 8th grade and an average of 100.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Bainbridge, PA | 1,399 | 84% | 75.0% |
| York Haven, PA | 819 | 77% | 60.4% |
| Hershey, PA | 14,941 | 76% | 57.7% |
| Palmyra, PA | 7,541 | 75% | 56.6% |
| Manchester, PA | 2,680 | 72% | 49.2% |
| Mount Gretna Heights, PA | 286 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Yorktown, VA | 286 | 90% | 87.4% |
| Pattonsburg, MO | 286 | 44% | 9.4% |
| Watts, OK | 286 | 22% | 53.6% |
| Stovall, NC | 286 | 35% | 28.1% |
| Stella, MO | 286 | 28% | 42.7% |
| Mount Gretna Heights, PA | 286 | n/a |
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