| Index | Forest 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 | Forest Lake | Illinois | National |
| Completed 8th grade | 84.4% | 86.2% | 84.3% |
| Completed high school | 84.4% | 84.7% | 83.0% |
| Completed some college | 70.9% | 61.8% | 59.4% |
| Completed associate degree | 58.0% | 40.7% | 38.5% |
| Completed bachelors | 49.3% | 32.9% | 30.3% |
| Completed masters | 12.5% | 12.7% | 11.5% |
| Completed professional degree | 1.6% | 3.4% | 3.3% |
| Completed doctorate | 1.6% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Forest Lake. Using the proficiency score averages, the average test scores for Forest Lake, IL schools is n/a. The average student to teacher ratio is n/a. In Forest Lake, IL, an average of 84.4% of students have completed 8th grade and an average of 84.4% 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% |
| Northfield, IL | 5,678 | 74% | 53.1% |
| Northbrook, IL | 33,216 | 72% | 50.7% |
| Forest Lake, IL | 1,292 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Lapwai, ID | 1,291 | 25% | 49.0% |
| Wiscasset, ME | 1,293 | 30% | 38.5% |
| Toulon, IL | 1,291 | 26% | 45.8% |
| Van Vleck, TX | 1,293 | 49% | 2.6% |
| Pilot Rock, OR | 1,293 | 36% | 25.5% |
| Forest Lake, IL | 1,292 | n/a |
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