| Index | Lebanon | Illinois | National |
| Average Test Scores | 26% | 33% | 48% |
| Student/Teacher ratio | 14:1 | 18:1 | 16:1 |
| Total public schools | 2 | 3,938 | 79,221 |
| Total private schools | n/a | 1,438 | 24,874 |
| Total post-secondary schools | 1 | 306 | 7,963 |
| Index | Lebanon | Illinois | National |
| Completed 8th grade | 90.4% | 86.2% | 84.3% |
| Completed high school | 89.1% | 84.7% | 83.0% |
| Completed some college | 70.1% | 61.8% | 59.4% |
| Completed associate degree | 44.2% | 40.7% | 38.5% |
| Completed bachelors | 34.7% | 32.9% | 30.3% |
| Completed masters | 14.7% | 12.7% | 11.5% |
| Completed professional degree | 2.5% | 3.4% | 3.3% |
| Completed doctorate | 1.2% | 1.2% | 1.3% |
There are a total of 2 public schools, n/a private schools and 1 post-secondary schools in Lebanon. Using the proficiency score averages, the average test scores for Lebanon, IL schools is 26%. The average student to teacher ratio is 14:1. In Lebanon, IL, an average of 90.4% of students have completed 8th grade and an average of 89.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Aviston, IL | 2,173 | 79% | 63.5% |
| Germantown, IL | 1,279 | 72% | 50.0% |
| St. Jacob, IL | 1,529 | 67% | 39.6% |
| Maryville, IL | 7,962 | 65% | 34.4% |
| Smithton, IL | 4,019 | 61% | 27.1% |
| Lebanon, IL | 4,443 | 26% | 45.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Winfield, AL | 4,443 | 61% | 26.7% |
| Beecher, IL | 4,443 | 35% | 27.1% |
| Dilley, TX | 4,441 | 32% | 34.4% |
| Armonk, NY | 4,440 | 86% | 78.8% |
| Florence, MS | 4,446 | 50% | 5.0% |
| Lebanon, IL | 4,443 | 26% | 45.8% |
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