| Index | Buffalo Grove | Illinois | National |
| Average Test Scores | 64% | 33% | 48% |
| Student/Teacher ratio | 17:1 | 18:1 | 16:1 |
| Total public schools | 12 | 3,938 | 79,221 |
| Total private schools | 3 | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Buffalo Grove | Illinois | National |
| Completed 8th grade | 96.6% | 86.2% | 84.3% |
| Completed high school | 96.1% | 84.7% | 83.0% |
| Completed some college | 85.5% | 61.8% | 59.4% |
| Completed associate degree | 71.2% | 40.7% | 38.5% |
| Completed bachelors | 64.7% | 32.9% | 30.3% |
| Completed masters | 27.4% | 12.7% | 11.5% |
| Completed professional degree | 6.0% | 3.4% | 3.3% |
| Completed doctorate | 2.4% | 1.2% | 1.3% |
There are a total of 12 public schools, 3 private schools and n/a post-secondary schools in Buffalo Grove. Using the proficiency score averages, the average test scores for Buffalo Grove, IL schools is 64%. The average student to teacher ratio is 17:1. In Buffalo Grove, IL, an average of 96.6% of students have completed 8th grade and an average of 96.1% 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% |
| Buffalo Grove, IL | 40,804 | 64% | 32.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Wilkes-Barre, PA | 40,805 | 34% | 29.7% |
| Bullhead City, AZ | 40,808 | 39% | 18.5% |
| Cedar Falls, IA | 40,750 | 81% | 68.1% |
| Bartlett, IL | 40,894 | 43% | 9.5% |
| Maplewood, MN | 40,684 | 44% | 8.0% |
| Buffalo Grove, IL | 40,804 | 64% | 32.4% |
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