| Index | Cape St. Claire | 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 | Cape St. Claire | Maryland | National |
| Completed 8th grade | 94.6% | 87.5% | 84.3% |
| Completed high school | 94.3% | 86.5% | 83.0% |
| Completed some college | 77.3% | 64.2% | 59.4% |
| Completed associate degree | 58.1% | 44.8% | 38.5% |
| Completed bachelors | 47.1% | 38.4% | 30.3% |
| Completed masters | 19.3% | 17.7% | 11.5% |
| Completed professional degree | 4.6% | 5.5% | 3.3% |
| Completed doctorate | 2.5% | 2.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Cape St. Claire. Using the proficiency score averages, the average test scores for Cape St. Claire, MD schools is n/a. The average student to teacher ratio is n/a. In Cape St. Claire, MD, an average of 94.6% of students have completed 8th grade and an average of 94.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Severna Park, MD | 38,729 | 69% | 44.6% |
| Crofton, MD | 29,482 | 65% | 34.9% |
| Crownsville, MD | 1,473 | 65% | 34.4% |
| Gambrills, MD | 2,929 | 62% | 29.5% |
| Arnold, MD | 24,334 | 62% | 29.4% |
| Cape St. Claire, MD | 8,405 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Arab, AL | 8,405 | 61% | 26.8% |
| Socorro, NM | 8,406 | 19% | 59.6% |
| Salem, UT | 8,403 | 48% | 1.0% |
| Greenville, MI | 8,407 | 40% | 16.5% |
| Westwego, LA | 8,411 | 53% | 10.4% |
| Cape St. Claire, MD | 8,405 | n/a |
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