| Index | Oak Grove | Texas | National |
| Average Test Scores | n/a | 47% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 7,418 | 79,221 |
| Total private schools | n/a | 1,267 | 24,874 |
| Total post-secondary schools | n/a | 463 | 7,963 |
| Index | Oak Grove | Texas | National |
| Completed 8th grade | 85.3% | 79.3% | 84.3% |
| Completed high school | 84.6% | 77.8% | 83.0% |
| Completed some college | 59.9% | 57.3% | 59.4% |
| Completed associate degree | 29.2% | 34.9% | 38.5% |
| Completed bachelors | 22.8% | 28.1% | 30.3% |
| Completed masters | 4.7% | 9.6% | 11.5% |
| Completed professional degree | 1.1% | 2.6% | 3.3% |
| Completed doctorate | 0.9% | 1.1% | 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, TX schools is n/a. The average student to teacher ratio is n/a. In Oak Grove, TX, an average of 85.3% of students have completed 8th grade and an average of 84.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Gun Barrel City, TX | 6,160 | 67% | 39.6% |
| Mabank, TX | 3,743 | 60% | 24.4% |
| Seagoville, TX | 16,726 | 54% | 11.5% |
| Scurry, TX | 442 | 48% | 0.3% |
| Crandall, TX | 3,848 | 47% | 2.3% |
| Oak Grove, TX | 646 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Lilesville, NC | 646 | 37% | 22.9% |
| Wright City, OK | 646 | 34% | 29.2% |
| Florien, LA | 646 | 75% | 56.3% |
| Palmyra, IL | 647 | 21% | 56.9% |
| Inyokern, CA | 645 | 30% | 38.5% |
| Oak Grove, TX | 646 | n/a |
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