| Index | Dexter | 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 | Dexter | Minnesota | National |
| Completed 8th grade | 86.8% | 90.5% | 84.3% |
| Completed high school | 84.6% | 89.5% | 83.0% |
| Completed some college | 48.9% | 66.9% | 59.4% |
| Completed associate degree | 20.7% | 45.2% | 38.5% |
| Completed bachelors | 11.0% | 34.2% | 30.3% |
| Completed masters | 4.4% | 11.5% | 11.5% |
| Completed professional degree | 0.4% | 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 Dexter. Using the proficiency score averages, the average test scores for Dexter, MN schools is n/a. The average student to teacher ratio is n/a. In Dexter, MN, an average of 86.8% of students have completed 8th grade and an average of 84.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Stewartville, MN | 6,255 | 61% | 26.7% |
| Rose Creek, MN | 547 | 57% | 18.8% |
| Le Roy, MN | 1,040 | 54% | 12.2% |
| Adams, MN | 844 | 53% | 10.8% |
| Grand Meadow, MN | 1,120 | 53% | 10.4% |
| Dexter, MN | 349 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Bunceton, MO | 349 | 43% | 11.5% |
| Williamsburg, KS | 349 | 45% | 6.3% |
| Simms, MT | 349 | 35% | 27.1% |
| Kingsville, MO | 349 | 31% | 35.4% |
| Brockton, MT | 349 | 27% | 44.4% |
| Dexter, MN | 349 | n/a |
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