| 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. |
| Phelps, KY | 448 | 47% | 2.1% |
| Andrew, IA | 448 | 70% | 45.3% |
| Pewamo, MI | 448 | 70% | 44.8% |
| Hermleigh, TX | 448 | 27% | 43.8% |
| Pembina, ND | 448 | 60% | 25.0% |
| Lake Preston, SD | 448 | 53% | 11.1% |
Here are the best places to live in South Dakota
Check out the 10 safest cities in South Dakota
See the best places to live in Lake Preston
Safest Cities In The US