| Index | Lake Lillian | 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 | Lake Lillian | Minnesota | National |
| Completed 8th grade | 92.5% | 90.5% | 84.3% |
| Completed high school | 89.3% | 89.5% | 83.0% |
| Completed some college | 44.7% | 66.9% | 59.4% |
| Completed associate degree | 24.5% | 45.2% | 38.5% |
| Completed bachelors | 9.4% | 34.2% | 30.3% |
| Completed masters | 1.9% | 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 Lake Lillian. Using the proficiency score averages, the average test scores for Lake Lillian, MN schools is n/a. The average student to teacher ratio is n/a. In Lake Lillian, MN, an average of 92.5% of students have completed 8th grade and an average of 89.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Buffalo Lake, MN | 653 | 77% | 60.4% |
| Bird Island, MN | 905 | 60% | 24.0% |
| Grove City, MN | 791 | 53% | 10.9% |
| Olivia, MN | 2,397 | 52% | 8.9% |
| Atwater, MN | 1,141 | 50% | 3.1% |
| Lake Lillian, MN | 258 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Ambrose, GA | 258 | 55% | 13.5% |
| Rock River, WY | 258 | 47% | 2.8% |
| Haviland, OH | 258 | 72% | 50.0% |
| Wellsville, PA | 257 | 60% | 24.0% |
| Risco, MO | 257 | 41% | 14.6% |
| Lake Lillian, MN | 258 | n/a |
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