| Index | Clarissa | Minnesota | National |
| Average Test Scores | n/a | 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 | Clarissa | Minnesota | National |
| Completed 8th grade | 85.9% | 90.5% | 84.3% |
| Completed high school | 78.3% | 89.5% | 83.0% |
| Completed some college | 37.8% | 66.9% | 59.4% |
| Completed associate degree | 18.3% | 45.2% | 38.5% |
| Completed bachelors | 9.6% | 34.2% | 30.3% |
| Completed masters | 1.1% | 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 Clarissa. Using the proficiency score averages, the average test scores for Clarissa, MN schools is n/a. The average student to teacher ratio is n/a. In Clarissa, MN, an average of 85.9% of students have completed 8th grade and an average of 78.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Bertha, MN | 569 | 56% | 16.1% |
| Motley, MN | 570 | 45% | 7.3% |
| Browerville, MN | 914 | 40% | 17.7% |
| Long Prairie, MN | 3,308 | 35% | 26.6% |
| Clarissa, MN | 637 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Milano, TX | 637 | 53% | 9.4% |
| Neosho, WI | 637 | 35% | 28.1% |
| Eldred, PA | 637 | 52% | 8.3% |
| Big Sandy, MT | 637 | 52% | 7.6% |
| Bunker Hill, IN | 637 | 43% | 10.8% |
| Clarissa, MN | 637 | n/a |
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