| 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 | 1,580 | 94% | 94.8% |
| Bristol, VA | 17,059 | 80% | 67.5% |
| Johnson City, TN | 66,934 | 52% | 8.9% |
| Gray, TN | 1,342 | 49% | 1.0% |
| Mount Carmel, TN | 5,297 | 45% | 7.3% |
| Oak Grove, TN | 4,353 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| St. Bernard, OH | 4,353 | 48% | = 100 |
| Caldwell, TX | 4,354 | 46% | 4.9% |
| Mauston, WI | 4,354 | 31% | 35.2% |
| Aubrey, TX | 4,352 | 54% | 12.8% |
| Clintonville, WI | 4,351 | 34% | 29.9% |
| Oak Grove, TN | 4,353 | n/a |
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