| Index | Grantsville | West Virginia | National |
| Average Test Scores | n/a | n/a | 48% |
| Student/Teacher ratio | n/a | 15:1 | 16:1 |
| Total public schools | n/a | 509 | 79,221 |
| Total private schools | n/a | 115 | 24,874 |
| Total post-secondary schools | n/a | 78 | 7,963 |
| Index | Grantsville | West Virginia | National |
| Completed 8th grade | 71.2% | 80.9% | 84.3% |
| Completed high school | 68.3% | 78.6% | 83.0% |
| Completed some college | 33.7% | 44.9% | 59.4% |
| Completed associate degree | 13.5% | 26.3% | 38.5% |
| Completed bachelors | 11.1% | 19.6% | 30.3% |
| Completed masters | 3.8% | 7.7% | 11.5% |
| Completed professional degree | 0.0% | 2.1% | 3.3% |
| Completed doctorate | 0.0% | 0.8% | 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, WV schools is n/a. The average student to teacher ratio is n/a. In Grantsville, WV, an average of 71.2% of students have completed 8th grade and an average of 68.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Grantsville, WV | 528 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Walnut Grove, MO | 528 | 48% | 0.5% |
| Nezperce, ID | 528 | 72% | 50.0% |
| Strasburg, IL | 528 | 37% | 22.4% |
| Floyd, VA | 528 | 79% | 65.1% |
| Deal, NJ | 528 | 42% | 12.5% |
| Grantsville, WV | 528 | n/a |
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