| Index | Harmony | Rhode Island | National |
| Average Test Scores | n/a | 38% | 48% |
| Student/Teacher ratio | n/a | 15:1 | 16:1 |
| Total public schools | n/a | 193 | 79,221 |
| Total private schools | n/a | 114 | 24,874 |
| Total post-secondary schools | n/a | 24 | 7,963 |
| Index | Harmony | Rhode Island | National |
| Completed 8th grade | 88.7% | 83.8% | 84.3% |
| Completed high school | 88.7% | 82.4% | 83.0% |
| Completed some college | 63.4% | 59.3% | 59.4% |
| Completed associate degree | 41.2% | 41.0% | 38.5% |
| Completed bachelors | 32.8% | 32.5% | 30.3% |
| Completed masters | 9.6% | 13.1% | 11.5% |
| Completed professional degree | 7.2% | 3.9% | 3.3% |
| Completed doctorate | 3.7% | 1.8% | 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, RI schools is n/a. The average student to teacher ratio is n/a. In Harmony, RI, an average of 88.7% of students have completed 8th grade and an average of 88.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Franklin Town, MA | 33,644 | 68% | 41.7% |
| Moosup, CT | 3,922 | 65% | 34.4% |
| Clayville, RI | 81 | 62% | 29.2% |
| East Douglas, MA | 2,985 | 57% | 19.4% |
| Chepachet, RI | 1,673 | 57% | 18.8% |
| Harmony, RI | 1,195 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Iola, WI | 1,195 | 35% | 28.1% |
| Divernon, IL | 1,194 | 36% | 25.0% |
| New Vienna, OH | 1,194 | 72% | 50.0% |
| Riner, VA | 1,196 | 85% | 76.7% |
| Princeton, WI | 1,194 | 45% | 7.3% |
| Harmony, RI | 1,195 | n/a |
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