| | Crofton, MD | Dumfries, VA | United States |
| Expend. per Student | $17,686 | $14,340 | $15,905 |
| Educ. Expend. per Student | $14,577 | $11,956 | $13,142 |
| Instr. Expend. per Student | $9,256 | $6,845 | $7,999 |
| Pupil/Teacher Ratio | 13.83 | 16 | 16.23 |
| Students per Librarian | 427 | 958 | 4573 |
| Students per Counselor | 324 | 293 | 530 |
| Grade School Educ. | 1.7% | 8.3% | 4.8% |
| Some High School Educ. | 1.9% | 15.2% | 6.3% |
| High School Educ. | 96.3% | 76.5% | 88.9% |
| Some College Educ. | 15.2% | 20.2% | 20.0% |
| 2 yr College Grad. | 8.3% | 6.8% | 8.7% |
| 4 yr College Grad. | 59.7% | 23.1% | 33.7% |
| Masters Grad. | 21.0% | 6.5% | 9.3% |
| Professional Degree | 2.5% | 2.0% | 2.2% |
| Doctorate Degree | 2.8% | 0.0% | 1.5% |