| Index | Eldorado | Illinois | National |
| Average Test Scores | 24% | 33% | 48% |
| Student/Teacher ratio | 16:1 | 18:1 | 16:1 |
| Total public schools | 3 | 3,938 | 79,221 |
| Total private schools | n/a | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Eldorado | Illinois | National |
| Completed 8th grade | 79.8% | 86.2% | 84.3% |
| Completed high school | 75.1% | 84.7% | 83.0% |
| Completed some college | 51.8% | 61.8% | 59.4% |
| Completed associate degree | 27.7% | 40.7% | 38.5% |
| Completed bachelors | 16.1% | 32.9% | 30.3% |
| Completed masters | 4.6% | 12.7% | 11.5% |
| Completed professional degree | 0.7% | 3.4% | 3.3% |
| Completed doctorate | 0.3% | 1.2% | 1.3% |
There are a total of 3 public schools, n/a private schools and n/a post-secondary schools in Eldorado. Using the proficiency score averages, the average test scores for Eldorado, IL schools is 24%. The average student to teacher ratio is 16:1. In Eldorado, IL, an average of 79.8% of students have completed 8th grade and an average of 75.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Galatia, IL | 1,095 | 26% | 45.8% |
| Junction, IL | 82 | 26% | 46.2% |
| Norris City, IL | 1,325 | 21% | 56.3% |
| Harrisburg, IL | 8,578 | 21% | 57.3% |
| Carrier Mills, IL | 1,819 | 15% | 69.3% |
| Eldorado, IL | 4,000 | 24% | 49.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Montesano, WA | 4,002 | 59% | 22.9% |
| Danielson, CT | 3,996 | 36% | 25.0% |
| Bloomfield Hills, MI | 3,995 | 75% | 56.4% |
| Pearl River, MS | 4,005 | 15% | 68.1% |
| Fredericktown, MO | 4,006 | 42% | 12.5% |
| Eldorado, IL | 4,000 | 24% | 49.7% |
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