| | Calverton, MD | Arlington, VA | United States |
| Expend. per Student | $19,736 | $23,553 | $15,905 |
| Educ. Expend. per Student | $16,697 | $19,293 | $13,142 |
| Instr. Expend. per Student | $10,703 | $11,028 | $7,999 |
| Pupil/Teacher Ratio | 13.63 | 15.15 | 16.23 |
| Students per Librarian | 490 | 644 | 4573 |
| Students per Counselor | 292 | 248 | 530 |
| Grade School Educ. | 5.5% | 3.4% | 4.8% |
| Some High School Educ. | 6.1% | 1.7% | 6.3% |
| High School Educ. | 88.4% | 94.9% | 88.9% |
| Some College Educ. | 15.0% | 7.8% | 20.0% |
| 2 yr College Grad. | 6.0% | 3.4% | 8.7% |
| 4 yr College Grad. | 46.8% | 76.3% | 33.7% |
| Masters Grad. | 16.6% | 28.0% | 9.3% |
| Professional Degree | 4.5% | 8.3% | 2.2% |
| Doctorate Degree | 2.8% | 4.8% | 1.5% |