| Index | Salem | Illinois | National |
| Average Test Scores | 42% | 33% | 48% |
| Student/Teacher ratio | 16:1 | 18:1 | 16:1 |
| Total public schools | 9 | 3,938 | 79,221 |
| Total private schools | 1 | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Salem | Illinois | National |
| Completed 8th grade | 84.4% | 86.2% | 84.3% |
| Completed high school | 81.1% | 84.7% | 83.0% |
| Completed some college | 50.7% | 61.8% | 59.4% |
| Completed associate degree | 24.9% | 40.7% | 38.5% |
| Completed bachelors | 15.6% | 32.9% | 30.3% |
| Completed masters | 7.0% | 12.7% | 11.5% |
| Completed professional degree | 1.1% | 3.4% | 3.3% |
| Completed doctorate | 0.5% | 1.2% | 1.3% |
There are a total of 9 public schools, 1 private schools and n/a post-secondary schools in Salem. Using the proficiency score averages, the average test scores for Salem, IL schools is 42%. The average student to teacher ratio is 16:1. In Salem, IL, an average of 84.4% of students have completed 8th grade and an average of 81.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Iuka, IL | 486 | 65% | 34.4% |
| Irvington, IL | 588 | 35% | 27.1% |
| Odin, IL | 999 | 34% | 30.2% |
| Patoka, IL | 585 | 29% | 39.6% |
| Kinmundy, IL | 915 | 25% | 49.0% |
| Salem, IL | 6,988 | 42% | 12.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Spring Hill, KS | 6,992 | 41% | 14.8% |
| Nibley, UT | 6,993 | 57% | 17.7% |
| Clinton, IL | 6,982 | 28% | 41.3% |
| Mead, WA | 6,995 | 68% | 40.6% |
| Old Greenwich, CT | 6,980 | 87% | 80.2% |
| Salem, IL | 6,988 | 42% | 12.8% |
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