| Index | Cairo | Illinois | National |
| Average Test Scores | 6% | 33% | 48% |
| Student/Teacher ratio | 13:1 | 18:1 | 16:1 |
| Total public schools | 6 | 3,938 | 79,221 |
| Total private schools | n/a | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
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| Index | Cairo | Illinois | National |
| Completed 8th grade | 70.2% | 86.2% | 84.3% |
| Completed high school | 66.2% | 84.7% | 83.0% |
| Completed some college | 47.3% | 61.8% | 59.4% |
| Completed associate degree | 21.8% | 40.7% | 38.5% |
| Completed bachelors | 13.5% | 32.9% | 30.3% |
| Completed masters | 2.2% | 12.7% | 11.5% |
| Completed professional degree | 0.4% | 3.4% | 3.3% |
| Completed doctorate | 0.4% | 1.2% | 1.3% |
There are a total of 6 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, IL schools is 6%. The average student to teacher ratio is 13:1. In Cairo, IL, an average of 70.2% of students have completed 8th grade and an average of 66.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Barlow, KY | 542 | 50% | 4.5% |
| Bardwell, KY | 710 | 44% | 8.7% |
| Charleston, MO | 5,478 | 21% | 57.3% |
| Mounds, IL | 916 | 13% | 74.0% |
| Cairo, IL | 1,884 | 6% | 88.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Anson, TX | 1,884 | 38% | 21.9% |
| Manteo, NC | 1,883 | 50% | 4.9% |
| Mill City, OR | 1,885 | 37% | 22.2% |
| Jasonville, IN | 1,885 | 44% | 7.8% |
| Leon, IA | 1,883 | 64% | 32.3% |
| Cairo, IL | 1,884 | 6% | 88.0% |
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