| Index | Miller | South Dakota | National |
| Average Test Scores | 48% | 48% | 48% |
| Student/Teacher ratio | 12:1 | 14:1 | 16:1 |
| Total public schools | 4 | 340 | 79,221 |
| Total private schools | 1 | 76 | 24,874 |
| Total post-secondary schools | n/a | 25 | 7,963 |
| Index | Miller | South Dakota | National |
| Completed 8th grade | 89.5% | 89.1% | 84.3% |
| Completed high school | 85.2% | 86.8% | 83.0% |
| Completed some college | 58.3% | 60.4% | 59.4% |
| Completed associate degree | 34.2% | 38.5% | 38.5% |
| Completed bachelors | 24.8% | 27.5% | 30.3% |
| Completed masters | 6.5% | 8.1% | 11.5% |
| Completed professional degree | 1.5% | 2.5% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of 4 public schools, 1 private schools and n/a post-secondary schools in Miller. Using the proficiency score averages, the average test scores for Miller, SD schools is 48%. The average student to teacher ratio is 12:1. In Miller, SD, an average of 89.5% of students have completed 8th grade and an average of 85.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Miller, SD | 1,366 | 48% | = 100 |
| City | Population | Avg. Test Scores | National Avg. |
| Frenchtown, NJ | 1,366 | 61% | 27.1% |
| Rockaway Beach, OR | 1,366 | 53% | 10.9% |
| Nokesville, VA | 1,366 | 88% | 82.3% |
| Reese, MI | 1,365 | 45% | 7.3% |
| Irwindale, CA | 1,365 | 20% | 58.3% |
| Miller, SD | 1,366 | 48% | = 100 |
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