| Index | Gambrills | Maryland | National |
| Average Test Scores | 62% | 40% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 1,163 | 79,221 |
| Total private schools | n/a | 674 | 24,874 |
| Total post-secondary schools | n/a | 112 | 7,963 |
| Index | Gambrills | Maryland | National |
| Completed 8th grade | 92.3% | 87.5% | 84.3% |
| Completed high school | 90.0% | 86.5% | 83.0% |
| Completed some college | 70.9% | 64.2% | 59.4% |
| Completed associate degree | 51.2% | 44.8% | 38.5% |
| Completed bachelors | 41.7% | 38.4% | 30.3% |
| Completed masters | 18.3% | 17.7% | 11.5% |
| Completed professional degree | 4.7% | 5.5% | 3.3% |
| Completed doctorate | 1.9% | 2.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Gambrills. Using the proficiency score averages, the average test scores for Gambrills, MD schools is 62%. The average student to teacher ratio is n/a. In Gambrills, MD, an average of 92.3% of students have completed 8th grade and an average of 90.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Severna Park, MD | 38,729 | 69% | 44.6% |
| Ellicott City, MD | 73,272 | 66% | 37.5% |
| Largo, MD | 11,633 | 65% | 35.9% |
| Crofton, MD | 29,482 | 65% | 34.9% |
| Crownsville, MD | 1,473 | 65% | 34.4% |
| Gambrills, MD | 2,929 | 62% | 29.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Frisco, CO | 2,928 | 38% | 21.9% |
| Sandwich, MA | 2,928 | 57% | 18.8% |
| Bad Axe, MI | 2,930 | 50% | 3.1% |
| Houston, MO | 2,927 | 32% | 33.0% |
| Brighton, TN | 2,931 | 43% | 11.5% |
| Gambrills, MD | 2,929 | 62% | 29.5% |
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