| Index | Ortley | 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 | Ortley | South Dakota | National |
| Completed 8th grade | 86.5% | 89.1% | 84.3% |
| Completed high school | 81.1% | 86.8% | 83.0% |
| Completed some college | 35.1% | 60.4% | 59.4% |
| Completed associate degree | 10.8% | 38.5% | 38.5% |
| Completed bachelors | 5.4% | 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 Ortley. Using the proficiency score averages, the average test scores for Ortley, SD schools is n/a. The average student to teacher ratio is n/a. In Ortley, SD, an average of 86.5% of students have completed 8th grade and an average of 81.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Summit, SD | 339 | 47% | 1.6% |
| Waubay, SD | 530 | 36% | 24.5% |
| Ortley, SD | 58 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Crooked Creek, AK | 57 | 50% | 4.2% |
| Lacassine, LA | 57 | 79% | 63.5% |
| Plato, MO | 57 | 41% | 15.1% |
| Box Elder, MT | 57 | 21% | 56.9% |
| Paskenta, CA | 59 | 50% | 4.2% |
| Ortley, SD | 58 | n/a |
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