| Index | McComb | Mississippi | National |
| Average Test Scores | 27% | 40% | 48% |
| Student/Teacher ratio | 14:1 | 16:1 | 16:1 |
| Total public schools | 6 | 893 | 79,221 |
| Total private schools | 4 | 206 | 24,874 |
| Total post-secondary schools | n/a | 68 | 7,963 |
| Index | McComb | Mississippi | National |
| Completed 8th grade | 73.6% | 78.6% | 84.3% |
| Completed high school | 71.6% | 76.7% | 83.0% |
| Completed some college | 43.8% | 52.5% | 59.4% |
| Completed associate degree | 21.6% | 29.8% | 38.5% |
| Completed bachelors | 13.2% | 21.0% | 30.3% |
| Completed masters | 5.3% | 7.9% | 11.5% |
| Completed professional degree | 1.2% | 2.2% | 3.3% |
| Completed doctorate | 0.5% | 0.9% | 1.3% |
There are a total of 6 public schools, 4 private schools and n/a post-secondary schools in McComb. Using the proficiency score averages, the average test scores for McComb, MS schools is 27%. The average student to teacher ratio is 14:1. In McComb, MS, an average of 73.6% of students have completed 8th grade and an average of 71.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Summit, MS | 2,633 | 40% | 16.1% |
| Magnolia, MS | 2,998 | 24% | 51.0% |
| McComb, MS | 12,788 | 27% | 43.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Lindsay, CA | 12,793 | 40% | 17.7% |
| Mercerville, NJ | 12,783 | 50% | 4.2% |
| Jacksonville, AL | 12,796 | 59% | 23.4% |
| Miller Place, NY | 12,775 | 66% | 37.8% |
| Herrin, IL | 12,806 | 36% | 24.7% |
| McComb, MS | 12,788 | 27% | 43.2% |
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