| Index | Grantsville | Maryland | National |
| Average Test Scores | 37% | 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 | Grantsville | Maryland | National |
| Completed 8th grade | 85.6% | 87.5% | 84.3% |
| Completed high school | 84.1% | 86.5% | 83.0% |
| Completed some college | 46.2% | 64.2% | 59.4% |
| Completed associate degree | 20.4% | 44.8% | 38.5% |
| Completed bachelors | 13.5% | 38.4% | 30.3% |
| Completed masters | 4.9% | 17.7% | 11.5% |
| Completed professional degree | 0.4% | 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 Grantsville. Using the proficiency score averages, the average test scores for Grantsville, MD schools is 37%. The average student to teacher ratio is n/a. In Grantsville, MD, an average of 85.6% of students have completed 8th grade and an average of 84.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Meyersdale, PA | 2,265 | 62% | 29.5% |
| Frostburg, MD | 8,747 | 58% | 20.3% |
| Accident, MD | 376 | 55% | 14.6% |
| Salisbury, PA | 716 | 55% | 14.1% |
| Mount Savage, MD | 785 | 53% | 10.4% |
| Grantsville, MD | 718 | 37% | 22.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Stewartsville, MO | 718 | 55% | 14.6% |
| Stanford, IL | 718 | 31% | 35.4% |
| Misenheimer, NC | 718 | 75% | 55.2% |
| Escalante, UT | 719 | 48% | 1.0% |
| Mora, NM | 719 | 18% | 63.2% |
| Grantsville, MD | 718 | 37% | 22.9% |