| Index | Upper Marlboro | Maryland | National |
| Average Test Scores | 27% | 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 | Upper Marlboro | Maryland | National |
| Completed 8th grade | 95.4% | 87.5% | 84.3% |
| Completed high school | 95.4% | 86.5% | 83.0% |
| Completed some college | 68.6% | 64.2% | 59.4% |
| Completed associate degree | 47.1% | 44.8% | 38.5% |
| Completed bachelors | 41.7% | 38.4% | 30.3% |
| Completed masters | 20.5% | 17.7% | 11.5% |
| Completed professional degree | 3.0% | 5.5% | 3.3% |
| Completed doctorate | 1.4% | 2.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Upper Marlboro. Using the proficiency score averages, the average test scores for Upper Marlboro, MD schools is 27%. The average student to teacher ratio is n/a. In Upper Marlboro, MD, an average of 95.4% of students have completed 8th grade and an average of 95.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Owings, MD | 2,536 | 69% | 43.8% |
| Largo, MD | 12,034 | 65% | 35.9% |
| Crofton, MD | 30,100 | 65% | 34.9% |
| Crownsville, MD | 1,506 | 65% | 34.4% |
| Huntingtown, MD | 3,130 | 64% | 33.6% |
| Upper Marlboro, MD | 601 | 27% | 44.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Berlin Heights, OH | 601 | 79% | 64.6% |
| Kooskia, ID | 601 | 38% | 20.3% |
| Whitesburg, GA | 601 | 67% | 39.6% |
| Fort Jones, CA | 601 | 50% | 3.1% |
| Hill City, SD | 601 | 62% | 29.5% |
| Upper Marlboro, MD | 601 | 27% | 44.8% |