| Index | Gages Lake | Illinois | National |
| Average Test Scores | 46% | 33% | 48% |
| Student/Teacher ratio | 11:1 | 18:1 | 16:1 |
| Total public schools | 5 | 3,938 | 79,221 |
| Total private schools | n/a | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Gages Lake | Illinois | National |
| Completed 8th grade | 91.9% | 86.2% | 84.3% |
| Completed high school | 91.9% | 84.7% | 83.0% |
| Completed some college | 71.9% | 61.8% | 59.4% |
| Completed associate degree | 47.3% | 40.7% | 38.5% |
| Completed bachelors | 38.9% | 32.9% | 30.3% |
| Completed masters | 15.2% | 12.7% | 11.5% |
| Completed professional degree | 2.8% | 3.4% | 3.3% |
| Completed doctorate | 1.6% | 1.2% | 1.3% |
There are a total of 5 public schools, n/a private schools and n/a post-secondary schools in Gages Lake. Using the proficiency score averages, the average test scores for Gages Lake, IL schools is 46%. The average student to teacher ratio is 11:1. In Gages Lake, IL, an average of 91.9% of students have completed 8th grade and an average of 91.9% 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% |
| Gages Lake, IL | 9,939 | 46% | 5.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Box Elder, SD | 9,937 | 54% | 11.7% |
| Clay, AL | 9,936 | 46% | 5.2% |
| Astoria, OR | 9,929 | 41% | 14.2% |
| Warrenton, VA | 9,928 | 82% | 71.3% |
| Boiling Springs, SC | 9,953 | 56% | 17.4% |
| Gages Lake, IL | 9,939 | 46% | 5.2% |
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