| Index | Bradley | South Dakota | National |
| Average Test Scores | n/a | 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 | Bradley | South Dakota | National |
| Completed 8th grade | 74.1% | 89.1% | 84.3% |
| Completed high school | 74.1% | 86.8% | 83.0% |
| Completed some college | 29.3% | 60.4% | 59.4% |
| Completed associate degree | 1.7% | 38.5% | 38.5% |
| Completed bachelors | 1.7% | 27.5% | 30.3% |
| Completed masters | 0.0% | 8.1% | 11.5% |
| Completed professional degree | 0.0% | 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 Bradley. Using the proficiency score averages, the average test scores for Bradley, SD schools is n/a. The average student to teacher ratio is n/a. In Bradley, SD, an average of 74.1% of students have completed 8th grade and an average of 74.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Raymond, SD | 31 | 50% | 4.2% |
| Henry, SD | 295 | 47% | 2.8% |
| Clark, SD | 1,233 | 42% | 11.7% |
| Garden City, SD | 93 | 20% | 58.3% |
| Bradley, SD | 68 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Ekwok, AK | 68 | 50% | 4.2% |
| Winfred, SD | 68 | 60% | 25.0% |
| Silex, MO | 67 | 52% | 8.3% |
| Graysville, OH | 67 | 67% | 39.6% |
| Orlando, OK | 67 | 50% | 4.2% |
| Bradley, SD | 68 | n/a |
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