| Index | Milledgeville | 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 | Milledgeville | Tennessee | National |
| Completed 8th grade | 79.4% | 82.0% | 84.3% |
| Completed high school | 73.7% | 79.9% | 83.0% |
| Completed some college | 38.1% | 53.2% | 59.4% |
| Completed associate degree | 12.9% | 32.2% | 38.5% |
| Completed bachelors | 4.6% | 25.4% | 30.3% |
| Completed masters | 2.1% | 9.3% | 11.5% |
| Completed professional degree | 0.0% | 2.8% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Milledgeville. Using the proficiency score averages, the average test scores for Milledgeville, TN schools is n/a. The average student to teacher ratio is n/a. In Milledgeville, TN, an average of 79.4% of students have completed 8th grade and an average of 73.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Scotts Hill, TN | 1,320 | 51% | 5.2% |
| Decaturville, TN | 947 | 46% | 4.7% |
| Adamsville, TN | 2,120 | 35% | 26.4% |
| Bethel Springs, TN | 998 | 33% | 32.3% |
| Selmer, TN | 4,330 | 32% | 33.0% |
| Milledgeville, TN | 298 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Goose Lake, IA | 298 | 77% | 60.9% |
| Gilbertsville, NY | 298 | 41% | 14.6% |
| Cazenovia, WI | 298 | 22% | 54.2% |
| Custer, WA | 298 | 50% | 3.1% |
| Lamont, OK | 298 | 50% | 4.2% |
| Milledgeville, TN | 298 | n/a |
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