| Index | Gratz | 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 | Gratz | Pennsylvania | National |
| Completed 8th grade | 89.2% | 86.9% | 84.3% |
| Completed high school | 82.8% | 85.6% | 83.0% |
| Completed some college | 30.8% | 53.6% | 59.4% |
| Completed associate degree | 19.1% | 37.4% | 38.5% |
| Completed bachelors | 8.1% | 29.3% | 30.3% |
| Completed masters | 2.3% | 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 Gratz. Using the proficiency score averages, the average test scores for Gratz, PA schools is n/a. The average student to teacher ratio is n/a. In Gratz, PA, an average of 89.2% of students have completed 8th grade and an average of 82.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Selinsgrove, PA | 5,923 | 68% | 40.6% |
| Klingerstown, PA | 96 | 65% | 34.4% |
| Millersburg, PA | 2,514 | 63% | 31.3% |
| Trevorton, PA | 1,624 | 62% | 29.2% |
| Herndon, PA | 374 | 60% | 24.5% |
| Gratz, PA | 763 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Eau Claire, MI | 763 | 19% | 60.8% |
| Racine, OH | 763 | 58% | 20.3% |
| Hornbeck, LA | 763 | 85% | 76.0% |
| Manila, CA | 762 | 50% | 3.1% |
| Seligman, AZ | 764 | 40% | 16.7% |
| Gratz, PA | 763 | n/a |
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