| Index | Wagner | South Dakota | National |
| Average Test Scores | 43% | 48% | 48% |
| Student/Teacher ratio | 10:1 | 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 | Wagner | South Dakota | National |
| Completed 8th grade | 85.3% | 89.1% | 84.3% |
| Completed high school | 80.7% | 86.8% | 83.0% |
| Completed some college | 51.6% | 60.4% | 59.4% |
| Completed associate degree | 28.8% | 38.5% | 38.5% |
| Completed bachelors | 18.1% | 27.5% | 30.3% |
| Completed masters | 7.2% | 8.1% | 11.5% |
| Completed professional degree | 2.8% | 2.5% | 3.3% |
| Completed doctorate | 1.0% | 1.2% | 1.3% |
There are a total of 4 public schools, n/a private schools and n/a post-secondary schools in Wagner. Using the proficiency score averages, the average test scores for Wagner, SD schools is 43%. The average student to teacher ratio is 10:1. In Wagner, SD, an average of 85.3% of students have completed 8th grade and an average of 80.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Avon, SD | 795 | 56% | 16.0% |
| Delmont, SD | 198 | 50% | 4.2% |
| Lake Andes, SD | 946 | 46% | 3.3% |
| Marty, SD | 265 | 5% | 89.6% |
| Wagner, SD | 1,566 | 43% | 10.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Daleville, IN | 1,565 | 46% | 3.6% |
| Sorrento, LA | 1,567 | 79% | 64.6% |
| Albany, TX | 1,565 | 47% | 2.1% |
| Yorktown Heights, NY | 1,567 | 70% | 45.8% |
| Olive Hill, KY | 1,568 | 53% | 9.4% |
| Wagner, SD | 1,566 | 43% | 10.8% |
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