| Index | Reliance | 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 | Reliance | South Dakota | National |
| Completed 8th grade | 90.9% | 89.1% | 84.3% |
| Completed high school | 90.9% | 86.8% | 83.0% |
| Completed some college | 45.7% | 60.4% | 59.4% |
| Completed associate degree | 19.5% | 38.5% | 38.5% |
| Completed bachelors | 16.5% | 27.5% | 30.3% |
| Completed masters | 4.3% | 8.1% | 11.5% |
| Completed professional degree | 0.6% | 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 Reliance. Using the proficiency score averages, the average test scores for Reliance, SD schools is n/a. The average student to teacher ratio is n/a. In Reliance, SD, an average of 90.9% of students have completed 8th grade and an average of 90.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Kennebec, SD | 344 | 50% | 3.6% |
| Chamberlain, SD | 2,549 | 46% | 3.5% |
| Lower Brule, SD | 971 | 7% | 86.5% |
| Reliance, SD | 109 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Eagle, AK | 109 | 50% | 4.2% |
| New Middletown, IN | 109 | 65% | 34.4% |
| Thorp, WA | 109 | 60% | 24.0% |
| Vilas, CO | 109 | 50% | 4.2% |
| Jameson, MO | 110 | 33% | 32.3% |
| Reliance, SD | 109 | n/a |
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