| Index | Henning | 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 | Henning | Illinois | National |
| Completed 8th grade | 83.1% | 86.2% | 84.3% |
| Completed high school | 81.9% | 84.7% | 83.0% |
| Completed some college | 37.5% | 61.8% | 59.4% |
| Completed associate degree | 9.4% | 40.7% | 38.5% |
| Completed bachelors | 0.6% | 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 Henning. Using the proficiency score averages, the average test scores for Henning, IL schools is n/a. The average student to teacher ratio is n/a. In Henning, IL, an average of 83.1% of students have completed 8th grade and an average of 81.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Royal, IL | 381 | 65% | 35.4% |
| Ogden, IL | 790 | 42% | 12.5% |
| Bismarck, IL | 556 | 38% | 21.5% |
| Fithian, IL | 555 | 25% | 49.0% |
| Oakwood, IL | 1,561 | 24% | 50.0% |
| Henning, IL | 266 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Kingston, MO | 266 | 20% | 58.3% |
| Loganville, WI | 266 | 70% | 45.8% |
| Peetz, CO | 266 | 38% | 21.9% |
| Acampo, CA | 266 | 39% | 19.1% |
| Koosharem, UT | 266 | 25% | 47.9% |
| Henning, IL | 266 | n/a |