| Index | Cairo | 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 | Cairo | Ohio | National |
| Completed 8th grade | 89.9% | 86.9% | 84.3% |
| Completed high school | 89.6% | 85.6% | 83.0% |
| Completed some college | 40.5% | 55.7% | 59.4% |
| Completed associate degree | 16.8% | 35.1% | 38.5% |
| Completed bachelors | 9.8% | 26.7% | 30.3% |
| Completed masters | 3.0% | 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 Cairo. Using the proficiency score averages, the average test scores for Cairo, OH schools is n/a. The average student to teacher ratio is n/a. In Cairo, OH, an average of 89.9% of students have completed 8th grade and an average of 89.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Ottoville, OH | 948 | 90% | 88.0% |
| Kalida, OH | 1,713 | 88% | 83.9% |
| Bluffton, OH | 4,159 | 85% | 77.4% |
| Delphos, OH | 7,315 | 82% | 70.1% |
| Fort Jennings, OH | 396 | 80% | 65.6% |
| Cairo, OH | 703 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Morrison, TN | 703 | 32% | 33.3% |
| Wilson, KS | 704 | 40% | 16.7% |
| Adena, OH | 702 | 65% | 34.4% |
| Goochland, VA | 702 | 85% | 76.3% |
| Mangham, LA | 704 | 67% | 39.6% |
| Cairo, OH | 703 | n/a |