| Index | Mardela Springs | Maryland | National |
| Average Test Scores | 55% | 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 | Mardela Springs | Maryland | National |
| Completed 8th grade | 95.6% | 87.5% | 84.3% |
| Completed high school | 95.6% | 86.5% | 83.0% |
| Completed some college | 48.8% | 64.2% | 59.4% |
| Completed associate degree | 29.6% | 44.8% | 38.5% |
| Completed bachelors | 20.7% | 38.4% | 30.3% |
| Completed masters | 14.8% | 17.7% | 11.5% |
| Completed professional degree | 3.0% | 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 Mardela Springs. Using the proficiency score averages, the average test scores for Mardela Springs, MD schools is 55%. The average student to teacher ratio is n/a. In Mardela Springs, MD, an average of 95.6% of students have completed 8th grade and an average of 95.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Secretary, MD | 497 | 52% | 8.3% |
| Delmar, MD | 3,321 | 48% | 1.0% |
| Hebron, MD | 1,019 | 47% | 2.1% |
| Seaford, DE | 7,897 | 45% | 6.3% |
| Delmar, DE | 2,153 | 45% | 6.8% |
| Mardela Springs, MD | 487 | 55% | 15.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Canaseraga, NY | 487 | 57% | 18.8% |
| Paauilo, HI | 487 | 30% | 38.5% |
| Badger, MN | 487 | 64% | 33.3% |
| Lyerly, GA | 487 | 45% | 6.3% |
| Polo, MO | 487 | 45% | 6.5% |
| Mardela Springs, MD | 487 | 55% | 15.1% |
Here are the best places to live in Maryland
Check out the 10 safest cities in Maryland
These are the 10 cheapest cities in Maryland
Check out the 10 most dangerous cities in Maryland