| Index | Harmony | Indiana | National |
| Average Test Scores | n/a | 46% | 48% |
| Student/Teacher ratio | n/a | 22:1 | 16:1 |
| Total public schools | n/a | 1,755 | 79,221 |
| Total private schools | n/a | 675 | 24,874 |
| Total post-secondary schools | n/a | 141 | 7,963 |
| Index | Harmony | Indiana | National |
| Completed 8th grade | 82.6% | 84.6% | 84.3% |
| Completed high school | 81.4% | 82.9% | 83.0% |
| Completed some college | 46.6% | 53.8% | 59.4% |
| Completed associate degree | 22.8% | 33.0% | 38.5% |
| Completed bachelors | 8.7% | 24.6% | 30.3% |
| Completed masters | 0.8% | 8.9% | 11.5% |
| Completed professional degree | 0.0% | 2.4% | 3.3% |
| Completed doctorate | 0.0% | 1.0% | 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, IN schools is n/a. The average student to teacher ratio is n/a. In Harmony, IN, an average of 82.6% of students have completed 8th grade and an average of 81.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Riley, IN | 453 | 72% | 50.0% |
| Cloverdale, IN | 1,905 | 56% | 17.0% |
| Brazil, IN | 8,225 | 54% | 13.2% |
| Greencastle, IN | 10,312 | 47% | 2.1% |
| Rosedale, IN | 846 | 45% | 7.3% |
| Harmony, IN | 965 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Aulander, NC | 965 | 40% | 17.7% |
| Powderly, TX | 966 | 45% | 7.3% |
| Start, LA | 964 | 57% | 18.8% |
| Olin, IA | 966 | 55% | 14.6% |
| Arnolds Park, IA | 964 | 72% | 50.0% |
| Harmony, IN | 965 | n/a |
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