| Index | Redfield | South Dakota | National |
| Average Test Scores | 34% | 48% | 48% |
| Student/Teacher ratio | 13:1 | 14:1 | 16:1 |
| Total public schools | 4 | 340 | 79,221 |
| Total private schools | n/a | 76 | 24,874 |
| Total post-secondary schools | n/a | 25 | 7,963 |
| Index | Redfield | South Dakota | National |
| Completed 8th grade | 90.4% | 89.1% | 84.3% |
| Completed high school | 89.2% | 86.8% | 83.0% |
| Completed some college | 49.5% | 60.4% | 59.4% |
| Completed associate degree | 26.8% | 38.5% | 38.5% |
| Completed bachelors | 18.1% | 27.5% | 30.3% |
| Completed masters | 6.1% | 8.1% | 11.5% |
| Completed professional degree | 2.6% | 2.5% | 3.3% |
| Completed doctorate | 0.3% | 1.2% | 1.3% |
There are a total of 4 public schools, n/a private schools and n/a post-secondary schools in Redfield. Using the proficiency score averages, the average test scores for Redfield, SD schools is 34%. The average student to teacher ratio is 13:1. In Redfield, SD, an average of 90.4% of students have completed 8th grade and an average of 89.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Tulare, SD | 254 | 53% | 9.4% |
| Frankfort, SD | 139 | 42% | 13.2% |
| Redfield, SD | 2,496 | 34% | 29.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Silver Lake, OH | 2,496 | 82% | 70.8% |
| Yardley, PA | 2,496 | 71% | 47.2% |
| Lake Crystal, MN | 2,496 | 60% | 24.0% |
| Fennimore, WI | 2,495 | 51% | 6.6% |
| Garrettsville, OH | 2,497 | 70% | 45.8% |
| Redfield, SD | 2,496 | 34% | 29.5% |
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