| Index | Long 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 | Long Lake | Illinois | National |
| Completed 8th grade | 86.1% | 86.2% | 84.3% |
| Completed high school | 86.1% | 84.7% | 83.0% |
| Completed some college | 56.8% | 61.8% | 59.4% |
| Completed associate degree | 28.8% | 40.7% | 38.5% |
| Completed bachelors | 19.3% | 32.9% | 30.3% |
| Completed masters | 4.4% | 12.7% | 11.5% |
| Completed professional degree | 1.4% | 3.4% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Long Lake. Using the proficiency score averages, the average test scores for Long Lake, IL schools is n/a. The average student to teacher ratio is n/a. In Long Lake, IL, an average of 86.1% of students have completed 8th grade and an average of 86.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lincolnshire, IL | 7,694 | 78% | 62.8% |
| Bannockburn, IL | 1,194 | 77% | 60.4% |
| Deerfield, IL | 19,030 | 77% | 59.4% |
| Libertyville, IL | 20,300 | 71% | 48.7% |
| Long Grove, IL | 7,907 | 70% | 46.5% |
| Long Lake, IL | 3,065 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Dawsonville, GA | 3,065 | 53% | 10.0% |
| Oakland, FL | 3,065 | 71% | 46.9% |
| New York Mills, NY | 3,066 | 55% | 13.5% |
| Eagle Lake, MN | 3,064 | 71% | 47.9% |
| Mount Morris, NY | 3,064 | 36% | 25.5% |
| Long Lake, IL | 3,065 | n/a |
Here are the best places to live in Illinois
Check out the 10 most dangerous cities in Illinois
These are the largest cities in Illinois
Check out the 10 safest cities in Illinois