| Index | Essex | Maryland | National |
| Average Test Scores | n/a | 40% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 1,163 | 79,221 |
| Total private schools | 2 | 674 | 24,874 |
| Total post-secondary schools | n/a | 112 | 7,963 |
| Index | Essex | Maryland | National |
| Completed 8th grade | 79.0% | 87.5% | 84.3% |
| Completed high school | 77.0% | 86.5% | 83.0% |
| Completed some college | 43.7% | 64.2% | 59.4% |
| Completed associate degree | 20.6% | 44.8% | 38.5% |
| Completed bachelors | 13.9% | 38.4% | 30.3% |
| Completed masters | 4.0% | 17.7% | 11.5% |
| Completed professional degree | 0.7% | 5.5% | 3.3% |
| Completed doctorate | 0.2% | 2.5% | 1.3% |
There are a total of n/a public schools, 2 private schools and n/a post-secondary schools in Essex. Using the proficiency score averages, the average test scores for Essex, MD schools is n/a. The average student to teacher ratio is n/a. In Essex, MD, an average of 79.0% of students have completed 8th grade and an average of 77.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Perry Hall, MD | 27,778 | 70% | 46.4% |
| Kingsville, MD | 4,649 | 70% | 44.8% |
| Lutherville, MD | 6,715 | 67% | 39.2% |
| Timonium, MD | 10,642 | 65% | 36.3% |
| Gambrills, MD | 2,929 | 62% | 29.5% |
| Essex, MD | 39,307 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Annapolis, MD | 39,321 | 37% | 22.2% |
| Lancaster, TX | 39,264 | 39% | 18.1% |
| Milton, GA | 39,252 | 82% | 71.4% |
| Roy, UT | 39,243 | 32% | 33.1% |
| Keizer, OR | 39,408 | 42% | 11.6% |
| Essex, MD | 39,307 | n/a |
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