| Index | Harrison | Idaho | National |
| Average Test Scores | 38% | 47% | 48% |
| Student/Teacher ratio | n/a | 17:1 | 16:1 |
| Total public schools | n/a | 446 | 79,221 |
| Total private schools | n/a | 83 | 24,874 |
| Total post-secondary schools | n/a | 34 | 7,963 |
| Index | Harrison | Idaho | National |
| Completed 8th grade | 89.9% | 85.7% | 84.3% |
| Completed high school | 89.3% | 84.8% | 83.0% |
| Completed some college | 58.5% | 62.4% | 59.4% |
| Completed associate degree | 19.5% | 35.6% | 38.5% |
| Completed bachelors | 17.6% | 26.2% | 30.3% |
| Completed masters | 1.9% | 8.4% | 11.5% |
| Completed professional degree | 0.0% | 2.6% | 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 Harrison. Using the proficiency score averages, the average test scores for Harrison, ID schools is 38%. The average student to teacher ratio is n/a. In Harrison, ID, an average of 89.9% of students have completed 8th grade and an average of 89.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Liberty Lake, WA | 10,758 | 71% | 47.9% |
| Rockford, WA | 431 | 61% | 26.7% |
| St. Maries, ID | 3,338 | 41% | 14.6% |
| Plummer, ID | 1,027 | 18% | 61.8% |
| Harrison, ID | 287 | 38% | 21.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Turpin, OK | 287 | 29% | 40.1% |
| Kelliher, MN | 287 | 42% | 12.5% |
| Sawyer, ND | 287 | 50% | 4.2% |
| Olsburg, KS | 287 | 65% | 35.4% |
| Plummer, MN | 288 | 62% | 29.2% |
| Harrison, ID | 287 | 38% | 21.9% |
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