| Index | Oacoma | 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 | Oacoma | South Dakota | National |
| Completed 8th grade | 80.2% | 89.1% | 84.3% |
| Completed high school | 78.6% | 86.8% | 83.0% |
| Completed some college | 38.8% | 60.4% | 59.4% |
| Completed associate degree | 22.4% | 38.5% | 38.5% |
| Completed bachelors | 13.0% | 27.5% | 30.3% |
| Completed masters | 5.2% | 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 Oacoma. Using the proficiency score averages, the average test scores for Oacoma, SD schools is n/a. The average student to teacher ratio is n/a. In Oacoma, SD, an average of 80.2% of students have completed 8th grade and an average of 78.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Chamberlain, SD | 2,637 | 46% | 3.5% |
| Oacoma, SD | 384 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Achille, OK | 384 | 27% | 43.2% |
| Portland, AR | 384 | 65% | 35.4% |
| Willow River, MN | 383 | 50% | 3.1% |
| Sylvan Grove, KS | 383 | 17% | 64.6% |
| Kendrick, ID | 385 | 45% | 6.3% |
| Oacoma, SD | 384 | n/a |