| Index | Nilwood | 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 | Nilwood | Illinois | National |
| Completed 8th grade | 74.1% | 86.2% | 84.3% |
| Completed high school | 72.6% | 84.7% | 83.0% |
| Completed some college | 38.1% | 61.8% | 59.4% |
| Completed associate degree | 21.8% | 40.7% | 38.5% |
| Completed bachelors | 13.7% | 32.9% | 30.3% |
| Completed masters | 2.5% | 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 Nilwood. Using the proficiency score averages, the average test scores for Nilwood, IL schools is n/a. The average student to teacher ratio is n/a. In Nilwood, IL, an average of 74.1% of students have completed 8th grade and an average of 72.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Carlinville, IL | 5,804 | 45% | 7.0% |
| Divernon, IL | 1,229 | 36% | 25.0% |
| Virden, IL | 3,571 | 35% | 28.1% |
| Pawnee, IL | 2,583 | 33% | 30.7% |
| Girard, IL | 1,769 | 30% | 38.5% |
| Nilwood, IL | 196 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Blackwell, TX | 196 | 55% | 13.5% |
| Caledonia, MO | 196 | 40% | 17.7% |
| Weldona, CO | 196 | 24% | 50.5% |
| Stockett, MT | 196 | 50% | 4.2% |
| Loachapoka, AL | 196 | 23% | 51.6% |
| Nilwood, IL | 196 | n/a |