| Index | Lacon | Illinois | National |
| Average Test Scores | 45% | 33% | 48% |
| Student/Teacher ratio | 22:1 | 18:1 | 16:1 |
| Total public schools | 1 | 3,938 | 79,221 |
| Total private schools | n/a | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Lacon | Illinois | National |
| Completed 8th grade | 89.1% | 86.2% | 84.3% |
| Completed high school | 88.2% | 84.7% | 83.0% |
| Completed some college | 45.4% | 61.8% | 59.4% |
| Completed associate degree | 23.8% | 40.7% | 38.5% |
| Completed bachelors | 11.1% | 32.9% | 30.3% |
| Completed masters | 3.5% | 12.7% | 11.5% |
| Completed professional degree | 0.6% | 3.4% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of 1 public schools, n/a private schools and n/a post-secondary schools in Lacon. Using the proficiency score averages, the average test scores for Lacon, IL schools is 45%. The average student to teacher ratio is 22:1. In Lacon, IL, an average of 89.1% of students have completed 8th grade and an average of 88.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Dunlap, IL | 1,100 | 63% | 32.1% |
| Benson, IL | 460 | 50% | 3.1% |
| Chillicothe, IL | 6,326 | 46% | 4.0% |
| Varna, IL | 456 | 40% | 16.7% |
| Sparland, IL | 390 | 39% | 18.8% |
| Lacon, IL | 1,771 | 45% | 7.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Crothersville, IN | 1,771 | 33% | 30.7% |
| Scotland Neck, NC | 1,770 | 17% | 64.6% |
| Fort Deposit, AL | 1,770 | 21% | 56.8% |
| Stamps, AR | 1,770 | 25% | 49.0% |
| Mayo, SC | 1,770 | 60% | 24.0% |
| Lacon, IL | 1,771 | 45% | 7.3% |
Here are the best places to live in Illinois
Check out the 10 most dangerous cities in Illinois
See the best places to live in Lacon
These are the largest cities in Illinois