| Index | Cottage City | 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 | Cottage City | Maryland | National |
| Completed 8th grade | 74.5% | 87.5% | 84.3% |
| Completed high school | 71.2% | 86.5% | 83.0% |
| Completed some college | 48.5% | 64.2% | 59.4% |
| Completed associate degree | 28.9% | 44.8% | 38.5% |
| Completed bachelors | 18.5% | 38.4% | 30.3% |
| Completed masters | 5.8% | 17.7% | 11.5% |
| Completed professional degree | 1.4% | 5.5% | 3.3% |
| Completed doctorate | 1.4% | 2.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Cottage City. Using the proficiency score averages, the average test scores for Cottage City, MD schools is n/a. The average student to teacher ratio is n/a. In Cottage City, MD, an average of 74.5% of students have completed 8th grade and an average of 71.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| McLean, VA | 49,909 | 95% | 97.1% |
| Rose Hill, VA | 22,707 | 85% | 76.0% |
| Arlington, VA | 244,812 | 83% | 72.5% |
| Springfield, VA | 33,971 | 82% | 71.2% |
| Potomac, MD | 48,015 | 81% | 68.3% |
| Cottage City, MD | 1,193 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Daniel, UT | 1,193 | 42% | 13.5% |
| Asotin, WA | 1,193 | 62% | 29.2% |
| Martin, SD | 1,193 | 33% | 31.3% |
| Tunnel Hill, GA | 1,194 | 46% | 4.2% |
| Hawley, PA | 1,192 | 60% | 24.7% |
| Cottage City, MD | 1,193 | n/a |