| Index | Lake Preston | South Dakota | National |
| Average Test Scores | 53% | 48% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 340 | 79,221 |
| Total private schools | n/a | 76 | 24,874 |
| Total post-secondary schools | n/a | 25 | 7,963 |
| Index | Lake Preston | South Dakota | National |
| Completed 8th grade | 88.3% | 89.1% | 84.3% |
| Completed high school | 83.3% | 86.8% | 83.0% |
| Completed some college | 45.6% | 60.4% | 59.4% |
| Completed associate degree | 23.3% | 38.5% | 38.5% |
| Completed bachelors | 13.1% | 27.5% | 30.3% |
| Completed masters | 4.9% | 8.1% | 11.5% |
| Completed professional degree | 1.2% | 2.5% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Lake Preston. Using the proficiency score averages, the average test scores for Lake Preston, SD schools is 53%. The average student to teacher ratio is n/a. In Lake Preston, SD, an average of 88.3% of students have completed 8th grade and an average of 83.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| De Smet, SD | 1,041 | 61% | 26.4% |
| Arlington, SD | 1,007 | 57% | 19.5% |
| Lake Preston, SD | 448 | 53% | 11.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Pembina, ND | 448 | 60% | 25.0% |
| Blanchard, PA | 448 | 45% | 7.3% |
| Phelps, KY | 448 | 47% | 2.1% |
| Andrew, IA | 448 | 70% | 45.3% |
| Pewamo, MI | 448 | 70% | 44.8% |
| Lake Preston, SD | 448 | 53% | 11.1% |
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