| Index | Mettawa | 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 | Mettawa | Illinois | National |
| Completed 8th grade | 98.1% | 86.2% | 84.3% |
| Completed high school | 98.1% | 84.7% | 83.0% |
| Completed some college | 88.9% | 61.8% | 59.4% |
| Completed associate degree | 70.3% | 40.7% | 38.5% |
| Completed bachelors | 65.0% | 32.9% | 30.3% |
| Completed masters | 22.8% | 12.7% | 11.5% |
| Completed professional degree | 6.1% | 3.4% | 3.3% |
| Completed doctorate | 1.7% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Mettawa. Using the proficiency score averages, the average test scores for Mettawa, IL schools is n/a. The average student to teacher ratio is n/a. In Mettawa, IL, an average of 98.1% of students have completed 8th grade and an average of 98.1% 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% |
| Northfield, IL | 5,678 | 74% | 53.1% |
| Kenilworth, IL | 2,356 | 74% | 53.1% |
| Mettawa, IL | 573 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Mellen, WI | 573 | 32% | 33.3% |
| Alberton, MT | 573 | 40% | 16.7% |
| Lee, FL | 573 | 62% | 29.2% |
| Middleburg, VA | 573 | 87% | 81.3% |
| Bell, FL | 573 | 66% | 38.0% |
| Mettawa, IL | 573 | n/a |
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