| Index | Lombard | Illinois | National |
| Average Test Scores | 46% | 33% | 48% |
| Student/Teacher ratio | 17:1 | 18:1 | 16:1 |
| Total public schools | 12 | 3,938 | 79,221 |
| Total private schools | 10 | 1,438 | 24,874 |
| Total post-secondary schools | 3 | 306 | 7,963 |
| Index | Lombard | Illinois | National |
| Completed 8th grade | 93.5% | 86.2% | 84.3% |
| Completed high school | 93.0% | 84.7% | 83.0% |
| Completed some college | 73.6% | 61.8% | 59.4% |
| Completed associate degree | 53.0% | 40.7% | 38.5% |
| Completed bachelors | 44.3% | 32.9% | 30.3% |
| Completed masters | 16.8% | 12.7% | 11.5% |
| Completed professional degree | 4.1% | 3.4% | 3.3% |
| Completed doctorate | 1.5% | 1.2% | 1.3% |
There are a total of 12 public schools, 10 private schools and 3 post-secondary schools in Lombard. Using the proficiency score averages, the average test scores for Lombard, IL schools is 46%. The average student to teacher ratio is 17:1. In Lombard, IL, an average of 93.5% of students have completed 8th grade and an average of 93.0% 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% |
| Hinsdale, IL | 17,366 | 74% | 54.7% |
| Western Springs, IL | 13,247 | 74% | 54.4% |
| South Barrington, IL | 4,963 | 69% | 42.7% |
| Lombard, IL | 43,755 | 46% | 4.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Sierra Vista, AZ | 43,756 | 46% | 4.1% |
| The Colony, TX | 43,791 | 50% | 4.7% |
| Riverton, UT | 43,793 | 47% | 3.0% |
| Altoona, PA | 43,669 | 53% | 11.4% |
| Urbandale, IA | 43,879 | 77% | 61.3% |
| Lombard, IL | 43,755 | 46% | 4.4% |
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