| Index | Old Green | Oklahoma | National |
| Average Test Scores | n/a | 32% | 48% |
| Student/Teacher ratio | n/a | 22:1 | 16:1 |
| Total public schools | n/a | 1,346 | 79,221 |
| Total private schools | n/a | 159 | 24,874 |
| Total post-secondary schools | n/a | 178 | 7,963 |

| Index | Old Green | Oklahoma | National |
| Completed 8th grade | 83.7% | 83.5% | 84.3% |
| Completed high school | 83.7% | 82.2% | 83.0% |
| Completed some college | 41.4% | 55.6% | 59.4% |
| Completed associate degree | 28.3% | 31.9% | 38.5% |
| Completed bachelors | 16.3% | 24.5% | 30.3% |
| Completed masters | 0.0% | 8.1% | 11.5% |
| Completed professional degree | 0.0% | 2.3% | 3.3% |
| Completed doctorate | 0.0% | 1.0% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Old Green. Using the proficiency score averages, the average test scores for Old Green, OK schools is n/a. The average student to teacher ratio is n/a. In Old Green, OK, an average of 83.7% of students have completed 8th grade and an average of 83.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Siloam Springs, AR | 17,596 | 47% | 2.6% |
| Lincoln, AR | 2,530 | 41% | 14.6% |
| Welling, OK | 733 | 32% | 33.3% |
| Westville, OK | 1,687 | 24% | 50.0% |
| Watts, OK | 295 | 22% | 53.6% |
| Old Green, OK | 540 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Cosmos, MN | 540 | 30% | 37.5% |
| Laona, WI | 540 | 50% | 3.6% |
| Smyer, TX | 540 | 37% | 22.9% |
| Wausaukee, WI | 540 | 25% | 48.3% |
| Summertown, TN | 540 | 39% | 19.3% |
| Old Green, OK | 540 | n/a |