| Index | Northlake | Illinois | National |
| Average Test Scores | 24% | 33% | 48% |
| Student/Teacher ratio | 17:1 | 18:1 | 16:1 |
| Total public schools | 6 | 3,938 | 79,221 |
| Total private schools | 3 | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Northlake | Illinois | National |
| Completed 8th grade | 69.6% | 86.2% | 84.3% |
| Completed high school | 66.6% | 84.7% | 83.0% |
| Completed some college | 38.0% | 61.8% | 59.4% |
| Completed associate degree | 19.1% | 40.7% | 38.5% |
| Completed bachelors | 11.0% | 32.9% | 30.3% |
| Completed masters | 2.1% | 12.7% | 11.5% |
| Completed professional degree | 0.8% | 3.4% | 3.3% |
| Completed doctorate | 0.2% | 1.2% | 1.3% |
There are a total of 6 public schools, 3 private schools and n/a post-secondary schools in Northlake. Using the proficiency score averages, the average test scores for Northlake, IL schools is 24%. The average student to teacher ratio is 17:1. In Northlake, IL, an average of 69.6% of students have completed 8th grade and an average of 66.6% 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% |
| Kenilworth, IL | 2,356 | 74% | 53.1% |
| Northlake, IL | 12,235 | 24% | 49.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Palmer Town, MA | 12,236 | 34% | 28.5% |
| Kelso, WA | 12,237 | 46% | 5.0% |
| Orange City, FL | 12,232 | 52% | 8.1% |
| Ringwood, NJ | 12,229 | 69% | 44.0% |
| Cottonwood, AZ | 12,228 | 43% | 9.8% |
| Northlake, IL | 12,235 | 24% | 49.8% |
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