| Index | Barnesville | 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 | Barnesville | Maryland | National |
| Completed 8th grade | 99.1% | 87.5% | 84.3% |
| Completed high school | 99.1% | 86.5% | 83.0% |
| Completed some college | 78.2% | 64.2% | 59.4% |
| Completed associate degree | 66.4% | 44.8% | 38.5% |
| Completed bachelors | 54.5% | 38.4% | 30.3% |
| Completed masters | 19.1% | 17.7% | 11.5% |
| Completed professional degree | 8.2% | 5.5% | 3.3% |
| Completed doctorate | 2.7% | 2.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Barnesville. Using the proficiency score averages, the average test scores for Barnesville, MD schools is n/a. The average student to teacher ratio is n/a. In Barnesville, MD, an average of 99.1% of students have completed 8th grade and an average of 99.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Great Falls, VA | 14,793 | 94% | 94.8% |
| Belmont, VA | 9,341 | 89% | 85.4% |
| Ashburn, VA | 44,090 | 88% | 84.1% |
| Lovettsville, VA | 2,447 | 87% | 80.2% |
| Cascades, VA | 12,132 | 86% | 79.2% |
| Barnesville, MD | 163 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Dell City, TX | 163 | 20% | 58.3% |
| Westby, MT | 163 | 50% | 4.2% |
| Aquilla, TX | 163 | 60% | 24.0% |
| Yoder, KS | 163 | 30% | 37.5% |
| Damar, KS | 164 | 30% | 37.5% |
| Barnesville, MD | 163 | n/a |
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