| Index | Deal Island | Maryland | National |
| Average Test Scores | 40% | 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 | Deal Island | Maryland | National |
| Completed 8th grade | 84.6% | 87.5% | 84.3% |
| Completed high school | 84.6% | 86.5% | 83.0% |
| Completed some college | 38.5% | 64.2% | 59.4% |
| Completed associate degree | 20.7% | 44.8% | 38.5% |
| Completed bachelors | 16.8% | 38.4% | 30.3% |
| Completed masters | 3.9% | 17.7% | 11.5% |
| Completed professional degree | 1.6% | 5.5% | 3.3% |
| Completed doctorate | 0.0% | 2.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Deal Island. Using the proficiency score averages, the average test scores for Deal Island, MD schools is 40%. The average student to teacher ratio is n/a. In Deal Island, MD, an average of 84.6% of students have completed 8th grade and an average of 84.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Crisfield, MD | 2,629 | 35% | 26.6% |
| Princess Anne, MD | 3,628 | 27% | 44.3% |
| Deal Island, MD | 325 | 40% | 16.7% |
| City | Population | Avg. Test Scores | National Avg. |
| West Union, SC | 325 | 61% | 26.0% |
| Donalds, SC | 325 | 58% | 19.8% |
| Texline, TX | 325 | 42% | 12.5% |
| Ewing, IL | 326 | 47% | 2.1% |
| Fairmount, ND | 326 | 45% | 6.3% |
| Deal Island, MD | 325 | 40% | 16.7% |