| Index | Mayo | 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 | Mayo | Maryland | National |
| Completed 8th grade | 91.8% | 87.5% | 84.3% |
| Completed high school | 91.8% | 86.5% | 83.0% |
| Completed some college | 68.3% | 64.2% | 59.4% |
| Completed associate degree | 43.5% | 44.8% | 38.5% |
| Completed bachelors | 39.0% | 38.4% | 30.3% |
| Completed masters | 15.4% | 17.7% | 11.5% |
| Completed professional degree | 2.6% | 5.5% | 3.3% |
| Completed doctorate | 0.5% | 2.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Mayo. Using the proficiency score averages, the average test scores for Mayo, MD schools is n/a. The average student to teacher ratio is n/a. In Mayo, MD, an average of 91.8% of students have completed 8th grade and an average of 91.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Severna Park, MD | 38,729 | 69% | 44.6% |
| Owings, MD | 2,483 | 69% | 43.8% |
| Tilghman Island, MD | 831 | 65% | 35.4% |
| Crofton, MD | 29,482 | 65% | 34.9% |
| Crownsville, MD | 1,473 | 65% | 34.4% |
| Mayo, MD | 7,979 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Duvall, WA | 7,979 | 77% | 60.4% |
| Wyoming, MN | 7,976 | 60% | 24.5% |
| Brentwood, MO | 7,986 | 70% | 45.6% |
| Caldwell, NJ | 7,970 | 64% | 32.3% |
| Hartsville (Trousdale County) , TN | 7,970 | 47% | 1.7% |
| Mayo, MD | 7,979 | n/a |
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