| Index | Oak Grove | Tennessee | National |
| Average Test Scores | n/a | 35% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | n/a | 1,390 | 79,221 |
| Total private schools | n/a | 430 | 24,874 |
| Total post-secondary schools | n/a | 189 | 7,963 |

| Index | Oak Grove | Tennessee | National |
| Completed 8th grade | 84.6% | 82.0% | 84.3% |
| Completed high school | 83.4% | 79.9% | 83.0% |
| Completed some college | 50.5% | 53.2% | 59.4% |
| Completed associate degree | 26.0% | 32.2% | 38.5% |
| Completed bachelors | 21.6% | 25.4% | 30.3% |
| Completed masters | 5.0% | 9.3% | 11.5% |
| Completed professional degree | 1.0% | 2.8% | 3.3% |
| Completed doctorate | 1.0% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Oak Grove. Using the proficiency score averages, the average test scores for Oak Grove, TN schools is n/a. The average student to teacher ratio is n/a. In Oak Grove, TN, an average of 84.6% of students have completed 8th grade and an average of 83.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Weber City, VA | 1,641 | 94% | 94.8% |
| Bristol, VA | 17,459 | 80% | 67.5% |
| Johnson City, TN | 69,135 | 52% | 8.9% |
| Gray, TN | 1,377 | 49% | 1.0% |
| Mount Carmel, TN | 5,493 | 45% | 7.3% |
| Oak Grove, TN | 4,499 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| La Verkin, UT | 4,498 | 47% | 2.1% |
| Barnwell, SC | 4,497 | 40% | 16.9% |
| Ste. Genevieve, MO | 4,497 | 59% | 22.2% |
| Nashville, AR | 4,497 | 49% | 2.3% |
| South Hill, VA | 4,496 | 84% | 75.0% |
| Oak Grove, TN | 4,499 | n/a |