| Index | Chadwick | Illinois | National |
| Average Test Scores | 52% | 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 | Chadwick | Illinois | National |
| Completed 8th grade | 92.5% | 86.2% | 84.3% |
| Completed high school | 90.1% | 84.7% | 83.0% |
| Completed some college | 54.1% | 61.8% | 59.4% |
| Completed associate degree | 25.5% | 40.7% | 38.5% |
| Completed bachelors | 17.5% | 32.9% | 30.3% |
| Completed masters | 3.4% | 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 Chadwick. Using the proficiency score averages, the average test scores for Chadwick, IL schools is 52%. The average student to teacher ratio is n/a. In Chadwick, IL, an average of 92.5% of students have completed 8th grade and an average of 90.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Shannon, IL | 763 | 50% | 3.1% |
| Lanark, IL | 1,510 | 47% | 2.1% |
| Morrison, IL | 3,961 | 36% | 25.7% |
| Milledgeville, IL | 1,014 | 35% | 27.1% |
| Fulton, IL | 3,333 | 34% | 29.5% |
| Chadwick, IL | 544 | 52% | 8.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Harmony, NC | 544 | 48% | 1.0% |
| St. Francis, SD | 544 | 3% | 93.8% |
| Fair Play, MO | 544 | 45% | 7.3% |
| Amo, IN | 544 | 72% | 50.0% |
| Richmond, KS | 544 | 43% | 9.9% |
| Chadwick, IL | 544 | 52% | 8.9% |