| Index | Arion | Iowa | National |
| Average Test Scores | n/a | 69% | 48% |
| Student/Teacher ratio | n/a | 13:1 | 16:1 |
| Total public schools | n/a | 1,101 | 79,221 |
| Total private schools | n/a | 208 | 24,874 |
| Total post-secondary schools | n/a | 96 | 7,963 |

| Index | Arion | Iowa | National |
| Completed 8th grade | 70.8% | 89.2% | 84.3% |
| Completed high school | 66.3% | 87.7% | 83.0% |
| Completed some college | 18.0% | 59.8% | 59.4% |
| Completed associate degree | 4.5% | 38.4% | 38.5% |
| Completed bachelors | 2.2% | 27.2% | 30.3% |
| Completed masters | 0.0% | 8.7% | 11.5% |
| Completed professional degree | 0.0% | 2.7% | 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 Arion. Using the proficiency score averages, the average test scores for Arion, IA schools is n/a. The average student to teacher ratio is n/a. In Arion, IA, an average of 70.8% of students have completed 8th grade and an average of 66.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Irwin, IA | 336 | 80% | 66.7% |
| Woodbine, IA | 1,419 | 78% | 63.0% |
| Dow City, IA | 449 | 75% | 55.2% |
| Schleswig, IA | 1,015 | 74% | 53.1% |
| Dunlap, IA | 1,246 | 70% | 44.8% |
| Arion, IA | 108 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Harper, OR | 108 | 35% | 27.1% |
| Leadore, ID | 108 | 55% | 14.6% |
| Alexandria, MO | 107 | 60% | 25.0% |
| Windom, KS | 109 | 60% | 24.0% |
| Felt, OK | 109 | 53% | 9.4% |
| Arion, IA | 108 | n/a |