| 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 | 7,694 | 78% | 62.8% |
| Libertyville, IL | 20,300 | 71% | 48.7% |
| Long Grove, IL | 7,907 | 70% | 46.5% |
| South Barrington, IL | 4,963 | 69% | 42.7% |
| North Barrington, IL | 2,789 | 64% | 33.3% |
| Lake Barrington, IL | 5,094 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Giddings, TX | 5,095 | 36% | 25.8% |
| Genoa, IL | 5,092 | 38% | 20.5% |
| Beckett, NJ | 5,091 | 70% | 45.3% |
| Perry, UT | 5,090 | 44% | 9.4% |
| Las Flores, CA | 5,089 | 73% | 51.6% |
| Lake Barrington, IL | 5,094 | n/a |
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