| Index | Harwood Heights | Illinois | National |
| Average Test Scores | 55% | 33% | 48% |
| Student/Teacher ratio | 12:1 | 18:1 | 16:1 |
| Total public schools | 2 | 3,938 | 79,221 |
| Total private schools | n/a | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Harwood Heights | Illinois | National |
| Completed 8th grade | 84.5% | 86.2% | 84.3% |
| Completed high school | 82.2% | 84.7% | 83.0% |
| Completed some college | 57.1% | 61.8% | 59.4% |
| Completed associate degree | 38.0% | 40.7% | 38.5% |
| Completed bachelors | 27.9% | 32.9% | 30.3% |
| Completed masters | 7.7% | 12.7% | 11.5% |
| Completed professional degree | 0.9% | 3.4% | 3.3% |
| Completed doctorate | 0.1% | 1.2% | 1.3% |
There are a total of 2 public schools, n/a private schools and n/a post-secondary schools in Harwood Heights. Using the proficiency score averages, the average test scores for Harwood Heights, IL schools is 55%. The average student to teacher ratio is 12:1. In Harwood Heights, IL, an average of 84.5% of students have completed 8th grade and an average of 82.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Oak Brook, IL | 8,085 | 79% | 64.6% |
| Clarendon Hills, IL | 8,834 | 77% | 59.4% |
| Deerfield, IL | 19,030 | 77% | 59.4% |
| Hinsdale, IL | 17,366 | 74% | 54.7% |
| Western Springs, IL | 13,247 | 74% | 54.4% |
| Harwood Heights, IL | 8,393 | 55% | 13.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Beaver Falls, PA | 8,393 | 55% | 13.7% |
| Kennedale, TX | 8,393 | 53% | 11.2% |
| Warrenton, MO | 8,388 | 49% | 1.3% |
| Brooksville, FL | 8,384 | 49% | 1.4% |
| Hillsboro, TX | 8,384 | 39% | 19.8% |
| Harwood Heights, IL | 8,393 | 55% | 13.5% |
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