| Index | Stewart | 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 | Stewart | Minnesota | National |
| Completed 8th grade | 91.4% | 90.5% | 84.3% |
| Completed high school | 89.5% | 89.5% | 83.0% |
| Completed some college | 47.3% | 66.9% | 59.4% |
| Completed associate degree | 24.1% | 45.2% | 38.5% |
| Completed bachelors | 8.1% | 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 Stewart. Using the proficiency score averages, the average test scores for Stewart, MN schools is n/a. The average student to teacher ratio is n/a. In Stewart, MN, an average of 91.4% of students have completed 8th grade and an average of 89.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Buffalo Lake, MN | 672 | 77% | 60.4% |
| Silver Lake, MN | 938 | 61% | 26.0% |
| Fairfax, MN | 1,162 | 57% | 18.8% |
| Gibbon, MN | 827 | 55% | 14.1% |
| Winthrop, MN | 1,343 | 50% | 4.2% |
| Stewart, MN | 628 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Augusta, IL | 628 | 30% | 38.5% |
| Oglesby, TX | 628 | 32% | 33.3% |
| Pleasant Hill, TN | 628 | 33% | 31.3% |
| Sedley, VA | 628 | 90% | 86.5% |
| Hamler, OH | 627 | 73% | 51.7% |
| Stewart, MN | 628 | n/a |
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