| Index | Isabella | 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 | Isabella | Oklahoma | National |
| Completed 8th grade | 78.8% | 83.5% | 84.3% |
| Completed high school | 57.5% | 82.2% | 83.0% |
| Completed some college | 39.8% | 55.6% | 59.4% |
| Completed associate degree | 33.6% | 31.9% | 38.5% |
| Completed bachelors | 17.7% | 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 Isabella. Using the proficiency score averages, the average test scores for Isabella, OK schools is n/a. The average student to teacher ratio is n/a. In Isabella, OK, an average of 78.8% of students have completed 8th grade and an average of 57.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Fairview, OK | 2,600 | 46% | 5.2% |
| Cleo Springs, OK | 413 | 37% | 22.9% |
| Okeene, OK | 998 | 37% | 24.0% |
| Ringwood, OK | 569 | 35% | 27.6% |
| Lahoma, OK | 489 | 34% | 30.2% |
| Isabella, OK | 91 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Moffett, OK | 91 | 45% | 7.3% |
| Floyd, NM | 91 | 29% | 39.6% |
| King and Queen Court House, VA | 90 | 77% | 60.4% |
| Panola, OK | 90 | 38% | 21.9% |
| Solen, ND | 90 | 10% | 79.2% |
| Isabella, OK | 91 | n/a |
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