| Index | Olive Branch | Illinois | National |
| Average Test Scores | n/a | 33% | 48% |
| Student/Teacher ratio | n/a | 18:1 | 16:1 |
| Total public schools | n/a | 3,938 | 79,221 |
| Total private schools | n/a | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Olive Branch | Illinois | National |
| Completed 8th grade | 81.1% | 86.2% | 84.3% |
| Completed high school | 69.1% | 84.7% | 83.0% |
| Completed some college | 41.6% | 61.8% | 59.4% |
| Completed associate degree | 6.9% | 40.7% | 38.5% |
| Completed bachelors | 4.2% | 32.9% | 30.3% |
| Completed masters | 0.0% | 12.7% | 11.5% |
| Completed professional degree | 0.0% | 3.4% | 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 Olive Branch. Using the proficiency score averages, the average test scores for Olive Branch, IL schools is n/a. The average student to teacher ratio is n/a. In Olive Branch, IL, an average of 81.1% of students have completed 8th grade and an average of 69.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Cape Girardeau, MO | 40,100 | 42% | 11.6% |
| Benton, MO | 885 | 42% | 12.2% |
| Scott City, MO | 4,538 | 40% | 17.4% |
| Tamms, IL | 702 | 17% | 64.2% |
| Dongola, IL | 654 | 14% | 70.5% |
| Olive Branch, IL | 610 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Stuart, NE | 610 | 63% | 30.2% |
| Downs, KS | 610 | 45% | 7.3% |
| Heart Butte, MT | 609 | 27% | 44.4% |
| Buffalo Gap, TX | 609 | 67% | 39.6% |
| Dansville, MI | 609 | 46% | 5.2% |
| Olive Branch, IL | 610 | n/a |
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