| 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 | 1,367 | 51% | 5.2% |
| Decaturville, TN | 975 | 46% | 4.7% |
| Adamsville, TN | 2,199 | 35% | 26.4% |
| Bethel Springs, TN | 1,036 | 33% | 32.3% |
| Selmer, TN | 4,502 | 32% | 33.0% |
| Milledgeville, TN | 308 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Milligan, NE | 309 | 50% | 4.2% |
| Halfway, OR | 309 | 57% | 18.8% |
| Cazenovia, WI | 307 | 22% | 54.2% |
| Kremlin, OK | 307 | 27% | 43.2% |
| Nazareth, TX | 309 | 77% | 60.4% |
| Milledgeville, TN | 308 | n/a |
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