| Index | Northlake | Texas | National |
| Average Test Scores | n/a | 47% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 7,418 | 79,221 |
| Total private schools | n/a | 1,267 | 24,874 |
| Total post-secondary schools | n/a | 463 | 7,963 |
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| Index | Northlake | Texas | National |
| Completed 8th grade | 95.2% | 79.3% | 84.3% |
| Completed high school | 95.2% | 77.8% | 83.0% |
| Completed some college | 75.4% | 57.3% | 59.4% |
| Completed associate degree | 51.5% | 34.9% | 38.5% |
| Completed bachelors | 43.4% | 28.1% | 30.3% |
| Completed masters | 11.6% | 9.6% | 11.5% |
| Completed professional degree | 4.0% | 2.6% | 3.3% |
| Completed doctorate | 1.0% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Northlake. Using the proficiency score averages, the average test scores for Northlake, TX schools is n/a. The average student to teacher ratio is n/a. In Northlake, TX, an average of 95.2% of students have completed 8th grade and an average of 95.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Southlake, TX | 31,684 | 87% | 80.7% |
| Westlake, TX | 1,511 | 85% | 77.1% |
| Trophy Club, TX | 11,904 | 75% | 55.2% |
| Hickory Creek, TX | 4,716 | 74% | 54.2% |
| Flower Mound, TX | 78,854 | 73% | 52.8% |
| Northlake, TX | 3,182 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Mount Morris, IL | 3,182 | 25% | 47.9% |
| Ravena, NY | 3,181 | 67% | 39.6% |
| Saddle River, NJ | 3,180 | 85% | 76.0% |
| Tallapoosa, GA | 3,180 | 42% | 13.3% |
| Casa Conejo, CA | 3,184 | 42% | 12.5% |
| Northlake, TX | 3,182 | n/a |
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