| Index | Green Isle | Minnesota | National |
| Average Test Scores | 50% | 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 | Green Isle | Minnesota | National |
| Completed 8th grade | 93.9% | 90.5% | 84.3% |
| Completed high school | 92.4% | 89.5% | 83.0% |
| Completed some college | 51.5% | 66.9% | 59.4% |
| Completed associate degree | 27.0% | 45.2% | 38.5% |
| Completed bachelors | 16.7% | 34.2% | 30.3% |
| Completed masters | 4.8% | 11.5% | 11.5% |
| Completed professional degree | 1.5% | 3.5% | 3.3% |
| Completed doctorate | 0.9% | 1.4% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Green Isle. Using the proficiency score averages, the average test scores for Green Isle, MN schools is 50%. The average student to teacher ratio is n/a. In Green Isle, MN, an average of 93.9% of students have completed 8th grade and an average of 92.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Cologne, MN | 2,255 | 75% | 55.2% |
| Waconia, MN | 12,623 | 65% | 34.7% |
| Norwood Young America, MN | 3,860 | 59% | 22.9% |
| Belle Plaine, MN | 7,390 | 57% | 17.7% |
| Glencoe, MN | 5,684 | 54% | 12.5% |
| Green Isle, MN | 537 | 50% | 4.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Hornbeak, TN | 537 | 37% | 22.9% |
| Colesburg, IA | 537 | 65% | 34.4% |
| White, SD | 537 | 52% | 7.8% |
| Hemingway, SC | 537 | 34% | 29.0% |
| Crown City, OH | 538 | 50% | 3.5% |
| Green Isle, MN | 537 | 50% | 4.2% |
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