| Index | Harmon | North Dakota | National |
| Average Test Scores | n/a | 44% | 48% |
| Student/Teacher ratio | n/a | 12:1 | 16:1 |
| Total public schools | n/a | 272 | 79,221 |
| Total private schools | n/a | 47 | 24,874 |
| Total post-secondary schools | n/a | 30 | 7,963 |

| Index | Harmon | North Dakota | National |
| Completed 8th grade | 100.0% | 90.7% | 84.3% |
| Completed high school | 100.0% | 88.3% | 83.0% |
| Completed some college | 90.7% | 64.6% | 59.4% |
| Completed associate degree | 77.6% | 41.6% | 38.5% |
| Completed bachelors | 52.3% | 28.2% | 30.3% |
| Completed masters | 19.6% | 7.7% | 11.5% |
| Completed professional degree | 19.6% | 2.4% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Harmon. Using the proficiency score averages, the average test scores for Harmon, ND schools is n/a. The average student to teacher ratio is n/a. In Harmon, ND, an average of 100.0% of students have completed 8th grade and an average of 100.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Wilton, ND | 740 | 52% | 8.9% |
| Bismarck, ND | 75,566 | 47% | 1.5% |
| Mandan, ND | 23,353 | 45% | 7.3% |
| Lincoln, ND | 4,225 | 44% | 9.4% |
| Harmon, ND | 236 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Lynn, AR | 236 | 52% | 8.3% |
| Springview, NE | 236 | 35% | 27.1% |
| Blain, PA | 236 | 57% | 18.8% |
| Granville, ND | 236 | 43% | 11.5% |
| Glidden, WI | 236 | 47% | 1.6% |
| Harmon, ND | 236 | n/a |