| Index | Rosaryville | Maryland | National |
| Average Test Scores | 5% | 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 | Rosaryville | Maryland | National |
| Completed 8th grade | 93.5% | 87.5% | 84.3% |
| Completed high school | 93.0% | 86.5% | 83.0% |
| Completed some college | 71.1% | 64.2% | 59.4% |
| Completed associate degree | 45.4% | 44.8% | 38.5% |
| Completed bachelors | 37.4% | 38.4% | 30.3% |
| Completed masters | 15.5% | 17.7% | 11.5% |
| Completed professional degree | 2.4% | 5.5% | 3.3% |
| Completed doctorate | 0.9% | 2.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Rosaryville. Using the proficiency score averages, the average test scores for Rosaryville, MD schools is 5%. The average student to teacher ratio is n/a. In Rosaryville, MD, an average of 93.5% of students have completed 8th grade and an average of 93.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Arlington, VA | 236,434 | 83% | 72.5% |
| Alexandria, VA | 158,309 | 72% | 49.0% |
| Owings, MD | 2,483 | 69% | 43.8% |
| Largo, MD | 11,633 | 65% | 35.9% |
| Huntingtown, MD | 3,029 | 64% | 33.6% |
| Rosaryville, MD | 11,344 | 5% | 89.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Haddonfield, NJ | 11,342 | 70% | 45.7% |
| Fredericksburg, TX | 11,341 | 50% | 4.5% |
| Fort Meade, MD | 11,340 | 35% | 26.6% |
| Mendota Heights, MN | 11,339 | 65% | 34.4% |
| Diamond Springs, CA | 11,332 | 41% | 14.8% |
| Rosaryville, MD | 11,344 | 5% | 89.6% |
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