| Index | Joppatowne | Maryland | National |
| Average Test Scores | 28% | 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 | Joppatowne | Maryland | National |
| Completed 8th grade | 88.4% | 87.5% | 84.3% |
| Completed high school | 86.3% | 86.5% | 83.0% |
| Completed some college | 59.3% | 64.2% | 59.4% |
| Completed associate degree | 37.2% | 44.8% | 38.5% |
| Completed bachelors | 29.0% | 38.4% | 30.3% |
| Completed masters | 8.6% | 17.7% | 11.5% |
| Completed professional degree | 2.3% | 5.5% | 3.3% |
| Completed doctorate | 1.7% | 2.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Joppatowne. Using the proficiency score averages, the average test scores for Joppatowne, MD schools is 28%. The average student to teacher ratio is n/a. In Joppatowne, MD, an average of 88.4% of students have completed 8th grade and an average of 86.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Perry Hall, MD | 27,778 | 70% | 46.4% |
| Kingsville, MD | 4,649 | 70% | 44.8% |
| Fallston, MD | 9,118 | 68% | 41.7% |
| Lutherville, MD | 6,715 | 67% | 39.2% |
| Timonium, MD | 10,642 | 65% | 36.3% |
| Joppatowne, MD | 12,833 | 28% | 42.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Cedar Lake, IN | 12,830 | 60% | 25.0% |
| Grass Valley, CA | 12,817 | 47% | 2.7% |
| Kingston, PA | 12,859 | 37% | 22.7% |
| Herrin, IL | 12,806 | 36% | 24.7% |
| Key Biscayne, FL | 12,867 | 86% | 79.7% |
| Joppatowne, MD | 12,833 | 28% | 42.5% |
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