| Index | Barclay | 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 | Barclay | Maryland | National |
| Completed 8th grade | 83.6% | 87.5% | 84.3% |
| Completed high school | 83.6% | 86.5% | 83.0% |
| Completed some college | 27.3% | 64.2% | 59.4% |
| Completed associate degree | 16.4% | 44.8% | 38.5% |
| Completed bachelors | 9.1% | 38.4% | 30.3% |
| Completed masters | 0.0% | 17.7% | 11.5% |
| Completed professional degree | 0.0% | 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 Barclay. Using the proficiency score averages, the average test scores for Barclay, MD schools is n/a. The average student to teacher ratio is n/a. In Barclay, MD, an average of 83.6% of students have completed 8th grade and an average of 83.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Hartly, DE | 167 | 62% | 29.2% |
| Centreville, MD | 4,829 | 60% | 24.0% |
| Church Hill, MD | 866 | 57% | 18.8% |
| Worton, MD | 98 | 52% | 8.3% |
| Clayton, DE | 3,393 | 51% | 7.0% |
| Barclay, MD | 239 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Paxico, KS | 239 | 33% | 30.7% |
| Denton, MT | 239 | 50% | 4.2% |
| Heathsville, VA | 239 | 81% | 67.7% |
| Upper Kalskag, AK | 239 | 10% | 79.2% |
| Mulhall, OK | 240 | 55% | 13.5% |
| Barclay, MD | 239 | n/a |
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