| 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 | 

 
				
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				| 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% | 
| Pearl River, MS | 4,005 | 15% | 68.1% | 
| Bloomfield Hills, MI | 3,995 | 75% | 56.4% | 
| Fredericktown, MO | 4,006 | 42% | 12.5% | 
| Eldorado, IL | 4,000 | 24% | 49.7% |