| 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 | 11,243 | 61% | 26.0% |
| St. Charles, IL | 33,452 | 57% | 19.0% |
| Big Rock, IL | 1,298 | 55% | 13.5% |
| Burlington, IL | 528 | 54% | 12.5% |
| Maple Park, IL | 1,647 | 50% | 4.7% |
| Lily Lake, IL | 1,360 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Marathon City, WI | 1,360 | 49% | 1.4% |
| Frankfort, OH | 1,360 | 58% | 21.5% |
| Monroeville, OH | 1,360 | 57% | 18.8% |
| Augusta, KY | 1,360 | 35% | 28.1% |
| Redway, CA | 1,359 | 37% | 22.9% |
| Lily Lake, IL | 1,360 | n/a |