| Index | Gettysburg | Pennsylvania | National |
| Average Test Scores | 59% | 55% | 48% |
| Student/Teacher ratio | 15:1 | 16:1 | 16:1 |
| Total public schools | 6 | 2,563 | 79,221 |
| Total private schools | 4 | 1,626 | 24,874 |
| Total post-secondary schools | 2 | 406 | 7,963 |
| Index | Gettysburg | Pennsylvania | National |
| Completed 8th grade | 81.2% | 86.9% | 84.3% |
| Completed high school | 79.5% | 85.6% | 83.0% |
| Completed some college | 56.6% | 53.6% | 59.4% |
| Completed associate degree | 38.9% | 37.4% | 38.5% |
| Completed bachelors | 34.5% | 29.3% | 30.3% |
| Completed masters | 17.6% | 11.5% | 11.5% |
| Completed professional degree | 8.1% | 3.3% | 3.3% |
| Completed doctorate | 5.2% | 1.4% | 1.3% |
There are a total of 6 public schools, 4 private schools and 2 post-secondary schools in Gettysburg. Using the proficiency score averages, the average test scores for Gettysburg, PA schools is 59%. The average student to teacher ratio is 15:1. In Gettysburg, PA, an average of 81.2% of students have completed 8th grade and an average of 79.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Sabillasville, MD | 390 | 65% | 35.4% |
| New Oxford, PA | 1,775 | 64% | 33.3% |
| Cashtown, PA | 244 | 63% | 31.3% |
| Biglerville, PA | 1,261 | 63% | 30.9% |
| York Springs, PA | 1,028 | 61% | 27.8% |
| Gettysburg, PA | 7,684 | 59% | 22.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Seminole, TX | 7,683 | 46% | 5.0% |
| Plumas Lake, CA | 7,687 | 56% | 16.7% |
| Pukalani, HI | 7,689 | 55% | 13.5% |
| Monument, CO | 7,691 | 60% | 25.6% |
| Broadview, IL | 7,677 | 17% | 64.6% |
| Gettysburg, PA | 7,684 | 59% | 22.7% |
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