| Index | Grainola | 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 | Grainola | Oklahoma | National |
| Completed 8th grade | 91.4% | 83.5% | 84.3% |
| Completed high school | 91.4% | 82.2% | 83.0% |
| Completed some college | 20.0% | 55.6% | 59.4% |
| Completed associate degree | 17.1% | 31.9% | 38.5% |
| Completed bachelors | 17.1% | 24.5% | 30.3% |
| Completed masters | 8.6% | 8.1% | 11.5% |
| Completed professional degree | 8.6% | 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 Grainola. Using the proficiency score averages, the average test scores for Grainola, OK schools is n/a. The average student to teacher ratio is n/a. In Grainola, OK, an average of 91.4% of students have completed 8th grade and an average of 91.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Shidler, OK | 404 | 35% | 27.1% |
| Cedar Vale, KS | 668 | 24% | 50.5% |
| Grainola, OK | 19 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Shoshone, CA | 18 | 50% | 4.2% |
| Weston, CO | 16 | 45% | 6.3% |
| Wolford, ND | 22 | 60% | 25.0% |
| Coulterville, CA | 23 | 30% | 37.5% |
| Inkster, ND | 23 | 51% | 6.3% |
| Grainola, OK | 19 | n/a |
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