| Index | Clinton | Illinois | National |
| Average Test Scores | 28% | 33% | 48% |
| Student/Teacher ratio | 14:1 | 18:1 | 16:1 |
| Total public schools | 6 | 3,938 | 79,221 |
| Total private schools | 1 | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Clinton | Illinois | National |
| Completed 8th grade | 84.7% | 86.2% | 84.3% |
| Completed high school | 81.9% | 84.7% | 83.0% |
| Completed some college | 54.6% | 61.8% | 59.4% |
| Completed associate degree | 26.3% | 40.7% | 38.5% |
| Completed bachelors | 17.3% | 32.9% | 30.3% |
| Completed masters | 5.2% | 12.7% | 11.5% |
| Completed professional degree | 0.9% | 3.4% | 3.3% |
| Completed doctorate | 0.2% | 1.2% | 1.3% |
There are a total of 6 public schools, 1 private schools and n/a post-secondary schools in Clinton. Using the proficiency score averages, the average test scores for Clinton, IL schools is 28%. The average student to teacher ratio is 14:1. In Clinton, IL, an average of 84.7% of students have completed 8th grade and an average of 81.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Oreana, IL | 954 | 41% | 14.6% |
| Maroa, IL | 1,982 | 40% | 17.2% |
| Heyworth, IL | 3,212 | 40% | 17.7% |
| Warrensburg, IL | 1,261 | 35% | 26.7% |
| Le Roy, IL | 3,429 | 32% | 32.6% |
| Clinton, IL | 6,982 | 28% | 41.3% |
| City | Population | Avg. Test Scores | National Avg. |
| King, NC | 6,980 | 42% | 12.7% |
| Old Greenwich, CT | 6,980 | 87% | 80.2% |
| Oak Ridge, NC | 6,979 | 75% | 55.2% |
| Benton, IL | 6,977 | 27% | 44.4% |
| Decatur, TX | 6,976 | 45% | 5.7% |
| Clinton, IL | 6,982 | 28% | 41.3% |
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