| Index | Oelrichs | South Dakota | National |
| Average Test Scores | 28% | 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 | Oelrichs | South Dakota | National |
| Completed 8th grade | 88.6% | 89.1% | 84.3% |
| Completed high school | 88.6% | 86.8% | 83.0% |
| Completed some college | 53.4% | 60.4% | 59.4% |
| Completed associate degree | 19.3% | 38.5% | 38.5% |
| Completed bachelors | 19.3% | 27.5% | 30.3% |
| Completed masters | 6.8% | 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 Oelrichs. Using the proficiency score averages, the average test scores for Oelrichs, SD schools is 28%. The average student to teacher ratio is n/a. In Oelrichs, SD, an average of 88.6% of students have completed 8th grade and an average of 88.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Oelrichs, SD | 134 | 28% | 41.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Tupman, CA | 134 | 27% | 43.8% |
| Monument, OR | 134 | 50% | 4.2% |
| Atqasuk, AK | 135 | 10% | 79.2% |
| Aleknagik, AK | 133 | 50% | 4.2% |
| Greycliff, MT | 133 | 50% | 4.2% |
| Oelrichs, SD | 134 | 28% | 41.0% |
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