| Index | McCool | Mississippi | National |
| Average Test Scores | 44% | 40% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 893 | 79,221 |
| Total private schools | n/a | 206 | 24,874 |
| Total post-secondary schools | n/a | 68 | 7,963 |
| Index | McCool | Mississippi | National |
| Completed 8th grade | 65.4% | 78.6% | 84.3% |
| Completed high school | 65.4% | 76.7% | 83.0% |
| Completed some college | 36.2% | 52.5% | 59.4% |
| Completed associate degree | 15.7% | 29.8% | 38.5% |
| Completed bachelors | 11.0% | 21.0% | 30.3% |
| Completed masters | 2.4% | 7.9% | 11.5% |
| Completed professional degree | 0.0% | 2.2% | 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 McCool. Using the proficiency score averages, the average test scores for McCool, MS schools is 44%. The average student to teacher ratio is n/a. In McCool, MS, an average of 65.4% of students have completed 8th grade and an average of 65.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| French Camp, MS | 250 | 67% | 39.6% |
| Ackerman, MS | 1,700 | 54% | 12.5% |
| Kosciusko, MS | 6,778 | 45% | 6.5% |
| Weir, MS | 640 | 37% | 22.9% |
| Ethel, MS | 542 | 37% | 22.9% |
| McCool, MS | 115 | 44% | 9.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Snelling, CA | 115 | 40% | 16.7% |
| Midland, SD | 115 | 50% | 4.2% |
| Nikolai, AK | 115 | 50% | 4.2% |
| Long Island, KS | 116 | 20% | 58.3% |
| West Elkton, OH | 116 | 62% | 28.1% |
| McCool, MS | 115 | 44% | 9.4% |
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