| Index | Algonquin | Illinois | National |
| Average Test Scores | 48% | 33% | 48% |
| Student/Teacher ratio | 21:1 | 18:1 | 16:1 |
| Total public schools | 6 | 3,938 | 79,221 |
| Total private schools | 2 | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Algonquin | Illinois | National |
| Completed 8th grade | 93.3% | 86.2% | 84.3% |
| Completed high school | 93.0% | 84.7% | 83.0% |
| Completed some college | 76.4% | 61.8% | 59.4% |
| Completed associate degree | 54.6% | 40.7% | 38.5% |
| Completed bachelors | 45.2% | 32.9% | 30.3% |
| Completed masters | 16.3% | 12.7% | 11.5% |
| Completed professional degree | 2.9% | 3.4% | 3.3% |
| Completed doctorate | 1.4% | 1.2% | 1.3% |
There are a total of 6 public schools, 2 private schools and n/a post-secondary schools in Algonquin. Using the proficiency score averages, the average test scores for Algonquin, IL schools is 48%. The average student to teacher ratio is 21:1. In Algonquin, IL, an average of 93.3% of students have completed 8th grade and an average of 93.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| South Barrington, IL | 4,963 | 69% | 42.7% |
| North Barrington, IL | 2,789 | 64% | 33.3% |
| Barrington, IL | 10,442 | 61% | 26.2% |
| Campton Hills, IL | 10,962 | 61% | 26.0% |
| Schaumburg, IL | 73,392 | 56% | 17.6% |
| Algonquin, IL | 30,848 | 48% | 0.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Sterling, VA | 30,872 | 75% | 55.3% |
| Los Altos, CA | 30,878 | 86% | 78.3% |
| Fair Oaks, CA | 30,882 | 47% | 1.8% |
| Cleburne, TX | 30,812 | 34% | 28.9% |
| Petersburg, VA | 30,791 | 53% | 10.8% |
| Algonquin, IL | 30,848 | 48% | 0.9% |
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