| Index | Arimo | Idaho | National |
| Average Test Scores | 51% | 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 | Arimo | Idaho | National |
| Completed 8th grade | 89.3% | 85.7% | 84.3% |
| Completed high school | 89.3% | 84.8% | 83.0% |
| Completed some college | 66.7% | 62.4% | 59.4% |
| Completed associate degree | 34.7% | 35.6% | 38.5% |
| Completed bachelors | 17.8% | 26.2% | 30.3% |
| Completed masters | 4.0% | 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 Arimo. Using the proficiency score averages, the average test scores for Arimo, ID schools is 51%. The average student to teacher ratio is n/a. In Arimo, ID, an average of 89.3% of students have completed 8th grade and an average of 89.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lava Hot Springs, ID | 253 | 75% | 56.3% |
| McCammon, ID | 794 | 65% | 34.4% |
| Bancroft, ID | 309 | 50% | 4.2% |
| Downey, ID | 870 | 30% | 37.5% |
| Arimo, ID | 326 | 51% | 6.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Nashua, MT | 326 | 45% | 6.3% |
| Stewart, OH | 326 | 57% | 17.7% |
| London Mills, IL | 326 | 38% | 20.5% |
| Prescott, WA | 326 | 37% | 22.9% |
| Moro, OR | 326 | 57% | 18.8% |
| Arimo, ID | 326 | 51% | 6.3% |
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