| Index | Cosmos | Minnesota | National |
| Average Test Scores | 30% | 52% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 2,224 | 79,221 |
| Total private schools | n/a | 477 | 24,874 |
| Total post-secondary schools | n/a | 140 | 7,963 |

| Index | Cosmos | Minnesota | National |
| Completed 8th grade | 85.1% | 90.5% | 84.3% |
| Completed high school | 83.7% | 89.5% | 83.0% |
| Completed some college | 50.2% | 66.9% | 59.4% |
| Completed associate degree | 17.6% | 45.2% | 38.5% |
| Completed bachelors | 5.0% | 34.2% | 30.3% |
| Completed masters | 0.5% | 11.5% | 11.5% |
| Completed professional degree | 0.0% | 3.5% | 3.3% |
| Completed doctorate | 0.0% | 1.4% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Cosmos. Using the proficiency score averages, the average test scores for Cosmos, MN schools is 30%. The average student to teacher ratio is n/a. In Cosmos, MN, an average of 85.1% of students have completed 8th grade and an average of 83.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Buffalo Lake, MN | 672 | 77% | 60.4% |
| Litchfield, MN | 6,894 | 62% | 28.5% |
| Bird Island, MN | 928 | 60% | 24.0% |
| Grove City, MN | 812 | 53% | 10.9% |
| Olivia, MN | 2,456 | 52% | 8.9% |
| Cosmos, MN | 540 | 30% | 37.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Smyer, TX | 540 | 37% | 22.9% |
| Wausaukee, WI | 540 | 25% | 48.3% |
| Summertown, TN | 540 | 39% | 19.3% |
| Cape Vincent, NY | 540 | 55% | 14.6% |
| Hampton, FL | 540 | 50% | 3.1% |
| Cosmos, MN | 540 | 30% | 37.5% |