| Index | Potomac | Maryland | National |
| Average Test Scores | 81% | 40% | 48% |
| Student/Teacher ratio | 17:1 | 16:1 | 16:1 |
| Total public schools | 7 | 1,163 | 79,221 |
| Total private schools | 18 | 674 | 24,874 |
| Total post-secondary schools | n/a | 112 | 7,963 |
| Index | Potomac | Maryland | National |
| Completed 8th grade | 97.0% | 87.5% | 84.3% |
| Completed high school | 96.7% | 86.5% | 83.0% |
| Completed some college | 91.6% | 64.2% | 59.4% |
| Completed associate degree | 84.0% | 44.8% | 38.5% |
| Completed bachelors | 81.2% | 38.4% | 30.3% |
| Completed masters | 50.9% | 17.7% | 11.5% |
| Completed professional degree | 24.5% | 5.5% | 3.3% |
| Completed doctorate | 9.1% | 2.5% | 1.3% |
There are a total of 7 public schools, 18 private schools and n/a post-secondary schools in Potomac. Using the proficiency score averages, the average test scores for Potomac, MD schools is 81%. The average student to teacher ratio is 17:1. In Potomac, MD, an average of 97.0% of students have completed 8th grade and an average of 96.7% 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% |
| Chantilly, VA | 23,820 | 89% | 85.7% |
| Ashburn, VA | 44,090 | 88% | 84.1% |
| Potomac, MD | 46,256 | 81% | 68.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Everett, MA | 46,275 | 40% | 17.7% |
| Littleton, CO | 46,208 | 54% | 11.7% |
| Titusville, FL | 46,307 | 49% | 3.0% |
| Bothell, WA | 46,386 | 70% | 45.7% |
| Middletown, CT | 46,406 | 47% | 2.8% |
| Potomac, MD | 46,256 | 81% | 68.3% |
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