| Index | St. Leonard | Maryland | National |
| Average Test Scores | 35% | 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 | St. Leonard | Maryland | National |
| Completed 8th grade | 84.1% | 87.5% | 84.3% |
| Completed high school | 84.1% | 86.5% | 83.0% |
| Completed some college | 56.4% | 64.2% | 59.4% |
| Completed associate degree | 39.9% | 44.8% | 38.5% |
| Completed bachelors | 27.8% | 38.4% | 30.3% |
| Completed masters | 11.3% | 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 St. Leonard. Using the proficiency score averages, the average test scores for St. Leonard, MD schools is 35%. The average student to teacher ratio is n/a. In St. Leonard, MD, an average of 84.1% of students have completed 8th grade and an average of 84.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Huntingtown, MD | 3,029 | 64% | 33.6% |
| Leonardtown, MD | 3,795 | 60% | 24.0% |
| Mechanicsville, MD | 1,724 | 55% | 15.0% |
| California, MD | 14,730 | 49% | 2.1% |
| Lusby, MD | 2,180 | 44% | 7.5% |
| St. Leonard, MD | 549 | 35% | 28.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Andover, OH | 549 | 62% | 28.8% |
| Leslie, AR | 549 | 60% | 24.0% |
| Hulbert, OK | 549 | 23% | 51.9% |
| Terry, MT | 549 | 45% | 6.3% |
| Coward, SC | 549 | 35% | 27.1% |
| St. Leonard, MD | 549 | 35% | 28.1% |
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