| Index | McCullom 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 | McCullom Lake | Illinois | National |
| Completed 8th grade | 76.3% | 86.2% | 84.3% |
| Completed high school | 76.0% | 84.7% | 83.0% |
| Completed some college | 46.6% | 61.8% | 59.4% |
| Completed associate degree | 17.5% | 40.7% | 38.5% |
| Completed bachelors | 8.4% | 32.9% | 30.3% |
| Completed masters | 0.3% | 12.7% | 11.5% |
| Completed professional degree | 0.0% | 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 McCullom Lake. Using the proficiency score averages, the average test scores for McCullom Lake, IL schools is n/a. The average student to teacher ratio is n/a. In McCullom Lake, IL, an average of 76.3% of students have completed 8th grade and an average of 76.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Long Grove, IL | 7,907 | 70% | 46.5% |
| North Barrington, IL | 2,789 | 64% | 33.3% |
| Silver Lake, WI | 2,506 | 62% | 28.1% |
| Barrington, IL | 10,442 | 61% | 26.2% |
| Bristol, WI | 5,079 | 56% | 15.6% |
| McCullom Lake, IL | 1,193 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Highland, KS | 1,193 | 20% | 59.4% |
| Princeton, WI | 1,194 | 45% | 7.3% |
| Divernon, IL | 1,194 | 36% | 25.0% |
| Dike, IA | 1,192 | 82% | 70.8% |
| White Cloud, MI | 1,192 | 26% | 45.8% |
| McCullom Lake, IL | 1,193 | n/a |
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