| Index | Harmony | Pennsylvania | National |
| Average Test Scores | 72% | 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 | Harmony | Pennsylvania | National |
| Completed 8th grade | 91.2% | 86.9% | 84.3% |
| Completed high school | 90.6% | 85.6% | 83.0% |
| Completed some college | 63.3% | 53.6% | 59.4% |
| Completed associate degree | 48.1% | 37.4% | 38.5% |
| Completed bachelors | 33.8% | 29.3% | 30.3% |
| Completed masters | 11.8% | 11.5% | 11.5% |
| Completed professional degree | 2.9% | 3.3% | 3.3% |
| Completed doctorate | 1.0% | 1.4% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Harmony. Using the proficiency score averages, the average test scores for Harmony, PA schools is 72%. The average student to teacher ratio is n/a. In Harmony, PA, an average of 91.2% of students have completed 8th grade and an average of 90.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Bradford Woods, PA | 1,267 | 89% | 85.4% |
| Gibsonia, PA | 2,372 | 87% | 80.7% |
| Zelienople, PA | 3,694 | 80% | 65.6% |
| Mars, PA | 1,477 | 77% | 60.4% |
| Prospect, PA | 1,046 | 76% | 58.3% |
| Harmony, PA | 1,104 | 72% | 49.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Gerald, MO | 1,104 | 50% | 3.1% |
| Nashwauk, MN | 1,104 | 47% | 2.1% |
| Archer, FL | 1,104 | 62% | 28.1% |
| Alvord, TX | 1,104 | 60% | 25.0% |
| Hiawassee, GA | 1,104 | 55% | 14.2% |
| Harmony, PA | 1,104 | 72% | 49.5% |
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