| Index | Sardis | Ohio | National |
| Average Test Scores | n/a | 61% | 48% |
| Student/Teacher ratio | n/a | 17:1 | 16:1 |
| Total public schools | n/a | 3,650 | 79,221 |
| Total private schools | n/a | 1,000 | 24,874 |
| Total post-secondary schools | n/a | 393 | 7,963 |

| Index | Sardis | Ohio | National |
| Completed 8th grade | 89.6% | 86.9% | 84.3% |
| Completed high school | 89.6% | 85.6% | 83.0% |
| Completed some college | 47.2% | 55.7% | 59.4% |
| Completed associate degree | 33.5% | 35.1% | 38.5% |
| Completed bachelors | 17.5% | 26.7% | 30.3% |
| Completed masters | 2.6% | 10.0% | 11.5% |
| Completed professional degree | 0.0% | 2.7% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 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, OH schools is n/a. The average student to teacher ratio is n/a. In Sardis, OH, an average of 89.6% of students have completed 8th grade and an average of 89.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Graysville, OH | 69 | 67% | 39.6% |
| Matamoras, OH | 1,084 | 57% | 18.8% |
| Hannibal, OH | 304 | 48% | 1.0% |
| Woodsfield, OH | 2,408 | 47% | 2.6% |
| Sardis, OH | 644 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| McKenna, WA | 644 | 61% | 27.1% |
| Harrah, WA | 644 | 12% | 75.0% |
| Dubois, ID | 644 | 26% | 45.3% |
| Big Sandy, TN | 644 | 32% | 33.3% |
| Lone Oak, TX | 644 | 49% | 2.1% |
| Sardis, OH | 644 | n/a |