| Index | Dell Rapids | South Dakota | National |
| Average Test Scores | 64% | 48% | 48% |
| Student/Teacher ratio | 16:1 | 14:1 | 16:1 |
| Total public schools | 3 | 340 | 79,221 |
| Total private schools | 1 | 76 | 24,874 |
| Total post-secondary schools | n/a | 25 | 7,963 |
| Index | Dell Rapids | South Dakota | National |
| Completed 8th grade | 92.5% | 89.1% | 84.3% |
| Completed high school | 91.7% | 86.8% | 83.0% |
| Completed some college | 62.0% | 60.4% | 59.4% |
| Completed associate degree | 40.4% | 38.5% | 38.5% |
| Completed bachelors | 26.7% | 27.5% | 30.3% |
| Completed masters | 5.2% | 8.1% | 11.5% |
| Completed professional degree | 0.7% | 2.5% | 3.3% |
| Completed doctorate | 0.3% | 1.2% | 1.3% |
There are a total of 3 public schools, 1 private schools and n/a post-secondary schools in Dell Rapids. Using the proficiency score averages, the average test scores for Dell Rapids, SD schools is 64%. The average student to teacher ratio is 16:1. In Dell Rapids, SD, an average of 92.5% of students have completed 8th grade and an average of 91.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Chester, SD | 285 | 60% | 24.5% |
| Colton, SD | 754 | 55% | 15.3% |
| Baltic, SD | 1,169 | 53% | 10.4% |
| Hartford, SD | 3,300 | 47% | 1.6% |
| Garretson, SD | 1,493 | 45% | 6.9% |
| Dell Rapids, SD | 3,678 | 64% | 34.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Stanley, WI | 3,678 | 43% | 11.5% |
| Ashburn, GA | 3,677 | 23% | 53.1% |
| Farmerville, LA | 3,679 | 60% | 24.0% |
| South Toms River, NJ | 3,676 | 22% | 54.2% |
| Lowell, NC | 3,676 | 37% | 22.4% |
| Dell Rapids, SD | 3,678 | 64% | 34.0% |
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