| Index | Lily Lake | Illinois | National |
| Average Test Scores | n/a | 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 | Lily Lake | Illinois | National |
| Completed 8th grade | 95.7% | 86.2% | 84.3% |
| Completed high school | 95.5% | 84.7% | 83.0% |
| Completed some college | 78.7% | 61.8% | 59.4% |
| Completed associate degree | 51.1% | 40.7% | 38.5% |
| Completed bachelors | 40.5% | 32.9% | 30.3% |
| Completed masters | 13.7% | 12.7% | 11.5% |
| Completed professional degree | 3.1% | 3.4% | 3.3% |
| Completed doctorate | 1.9% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Lily Lake. Using the proficiency score averages, the average test scores for Lily Lake, IL schools is n/a. The average student to teacher ratio is n/a. In Lily Lake, IL, an average of 95.7% of students have completed 8th grade and an average of 95.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Campton Hills, IL | 10,962 | 61% | 26.0% |
| St. Charles, IL | 32,612 | 57% | 19.0% |
| Big Rock, IL | 1,271 | 55% | 13.5% |
| Burlington, IL | 514 | 54% | 12.5% |
| Maple Park, IL | 1,599 | 50% | 4.7% |
| Lily Lake, IL | 1,333 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Sardinia, OH | 1,333 | 70% | 44.8% |
| Kamiah, ID | 1,334 | 33% | 30.9% |
| Cole Camp, MO | 1,334 | 60% | 25.3% |
| Stamford, NY | 1,334 | 40% | 17.7% |
| Des Arc, AR | 1,334 | 66% | 37.0% |
| Lily Lake, IL | 1,333 | n/a |
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