| Index | Round Lake | Illinois | National |
| Average Test Scores | 27% | 33% | 48% |
| Student/Teacher ratio | 22:1 | 18:1 | 16:1 |
| Total public schools | 8 | 3,938 | 79,221 |
| Total private schools | 1 | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Round Lake | Illinois | National |
| Completed 8th grade | 86.2% | 86.2% | 84.3% |
| Completed high school | 84.8% | 84.7% | 83.0% |
| Completed some college | 69.0% | 61.8% | 59.4% |
| Completed associate degree | 44.0% | 40.7% | 38.5% |
| Completed bachelors | 34.6% | 32.9% | 30.3% |
| Completed masters | 10.4% | 12.7% | 11.5% |
| Completed professional degree | 2.6% | 3.4% | 3.3% |
| Completed doctorate | 0.4% | 1.2% | 1.3% |
There are a total of 8 public schools, 1 private schools and n/a post-secondary schools in Round Lake. Using the proficiency score averages, the average test scores for Round Lake, IL schools is 27%. The average student to teacher ratio is 22:1. In Round Lake, IL, an average of 86.2% of students have completed 8th grade and an average of 84.8% 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% |
| Northbrook, IL | 33,216 | 72% | 50.7% |
| Libertyville, IL | 20,300 | 71% | 48.7% |
| Round Lake, IL | 18,235 | 27% | 44.4% |
| City | Population | Avg. Test Scores | National Avg. |
| North Massapequa, NY | 18,239 | 50% | 4.7% |
| Trenton, MI | 18,214 | 53% | 9.6% |
| Marshfield, WI | 18,214 | 51% | 6.3% |
| Cudahy, WI | 18,211 | 37% | 22.2% |
| Arcata, CA | 18,266 | 55% | 14.3% |
| Round Lake, IL | 18,235 | 27% | 44.4% |
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