| Index | Sardis | Kentucky | National |
| Average Test Scores | n/a | 48% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 1,157 | 79,221 |
| Total private schools | n/a | 298 | 24,874 |
| Total post-secondary schools | n/a | 130 | 7,963 |

| Index | Sardis | Kentucky | National |
| Completed 8th grade | 77.0% | 81.0% | 84.3% |
| Completed high school | 63.2% | 77.8% | 83.0% |
| Completed some college | 18.4% | 51.3% | 59.4% |
| Completed associate degree | 9.2% | 30.5% | 38.5% |
| Completed bachelors | 1.1% | 22.7% | 30.3% |
| Completed masters | 0.0% | 9.3% | 11.5% |
| Completed professional degree | 0.0% | 2.6% | 3.3% |
| Completed doctorate | 0.0% | 0.9% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Sardis. Using the proficiency score averages, the average test scores for Sardis, KY schools is n/a. The average student to teacher ratio is n/a. In Sardis, KY, an average of 77.0% of students have completed 8th grade and an average of 63.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Ewing, KY | 230 | 57% | 18.8% |
| Aberdeen, OH | 1,517 | 56% | 16.7% |
| Mount Olivet, KY | 297 | 54% | 11.5% |
| Flemingsburg, KY | 2,885 | 53% | 10.4% |
| Ripley, OH | 1,766 | 51% | 5.7% |
| Sardis, KY | 55 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Fellows, CA | 55 | 50% | 3.1% |
| Perryville, AK | 55 | 50% | 4.2% |
| Buchanan, ND | 55 | 50% | 4.2% |
| Rampart, AK | 55 | 50% | 4.2% |
| Catlett, VA | 56 | 70% | 44.8% |
| Sardis, KY | 55 | n/a |