| Index | Gardners | 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 | Gardners | Pennsylvania | National |
| Completed 8th grade | 80.1% | 86.9% | 84.3% |
| Completed high school | 72.7% | 85.6% | 83.0% |
| Completed some college | 10.2% | 53.6% | 59.4% |
| Completed associate degree | 8.0% | 37.4% | 38.5% |
| Completed bachelors | 8.0% | 29.3% | 30.3% |
| Completed masters | 4.5% | 11.5% | 11.5% |
| Completed professional degree | 0.0% | 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 Gardners. Using the proficiency score averages, the average test scores for Gardners, PA schools is n/a. The average student to teacher ratio is n/a. In Gardners, PA, an average of 80.1% of students have completed 8th grade and an average of 72.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Mechanicsburg, PA | 8,977 | 67% | 39.9% |
| Boiling Springs, PA | 3,107 | 65% | 35.9% |
| New Oxford, PA | 1,775 | 64% | 33.3% |
| Newville, PA | 1,231 | 63% | 31.5% |
| Cashtown, PA | 244 | 63% | 31.3% |
| Gardners, PA | 57 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Plato, MO | 57 | 41% | 15.1% |
| Lacassine, LA | 57 | 79% | 63.5% |
| Box Elder, MT | 57 | 21% | 56.9% |
| Pelican, AK | 57 | 50% | 4.2% |
| Crooked Creek, AK | 57 | 50% | 4.2% |
| Gardners, PA | 57 | n/a |
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