| Index | Garrett Park | 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 | n/a | 674 | 24,874 |
| Total post-secondary schools | n/a | 112 | 7,963 |
| Index | Garrett Park | Maryland | National |
| Completed 8th grade | 99.2% | 87.5% | 84.3% |
| Completed high school | 99.2% | 86.5% | 83.0% |
| Completed some college | 93.9% | 64.2% | 59.4% |
| Completed associate degree | 82.7% | 44.8% | 38.5% |
| Completed bachelors | 80.2% | 38.4% | 30.3% |
| Completed masters | 49.4% | 17.7% | 11.5% |
| Completed professional degree | 22.8% | 5.5% | 3.3% |
| Completed doctorate | 10.2% | 2.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Garrett Park. Using the proficiency score averages, the average test scores for Garrett Park, MD schools is n/a. The average student to teacher ratio is n/a. In Garrett Park, MD, an average of 99.2% of students have completed 8th grade and an average of 99.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| McLean, VA | 48,566 | 95% | 97.1% |
| Great Falls, VA | 14,793 | 94% | 94.8% |
| Oakton, VA | 36,468 | 92% | 90.6% |
| Vienna, VA | 16,532 | 88% | 83.4% |
| Arlington, VA | 236,434 | 83% | 72.5% |
| Garrett Park, MD | 840 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| New Tripoli, PA | 840 | 70% | 44.8% |
| Congerville, IL | 840 | 55% | 14.6% |
| Inverness, MS | 840 | 42% | 12.5% |
| Cedar Key, FL | 840 | 52% | 8.3% |
| Attica, OH | 840 | 73% | 51.0% |
| Garrett Park, MD | 840 | n/a |
Here are the best places to live in Maryland
See the best places to live in Garrett Park
These are the largest cities in Maryland
Check out the 10 safest cities in Maryland