| Index | Lake Barrington | 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 | Lake Barrington | Illinois | National |
| Completed 8th grade | 99.5% | 86.2% | 84.3% |
| Completed high school | 99.5% | 84.7% | 83.0% |
| Completed some college | 86.4% | 61.8% | 59.4% |
| Completed associate degree | 66.8% | 40.7% | 38.5% |
| Completed bachelors | 60.8% | 32.9% | 30.3% |
| Completed masters | 28.3% | 12.7% | 11.5% |
| Completed professional degree | 8.2% | 3.4% | 3.3% |
| Completed doctorate | 2.0% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Lake Barrington. Using the proficiency score averages, the average test scores for Lake Barrington, IL schools is n/a. The average student to teacher ratio is n/a. In Lake Barrington, IL, an average of 99.5% of students have completed 8th grade and an average of 99.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lincolnshire, IL | 7,966 | 78% | 62.8% |
| Libertyville, IL | 20,905 | 71% | 48.7% |
| Long Grove, IL | 8,145 | 70% | 46.5% |
| South Barrington, IL | 5,144 | 69% | 42.7% |
| North Barrington, IL | 2,886 | 64% | 33.3% |
| Lake Barrington, IL | 5,285 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Grambling, LA | 5,285 | 42% | 13.5% |
| Floral City, FL | 5,285 | 52% | 8.9% |
| Colchester, CT | 5,282 | 65% | 35.4% |
| Walkertown, NC | 5,289 | 26% | 45.1% |
| Beckett, NJ | 5,281 | 70% | 45.3% |
| Lake Barrington, IL | 5,285 | n/a |
Here are the best places to live in Illinois
Most Dangerous Cities In The US
Check out the 10 safest cities in Illinois
These are the 10 cheapest cities in Illinois