| | Clarksburg, MD | Reston, VA | United States |
| Expend. per Student | $19,736 | $17,573 | $15,905 |
| Educ. Expend. per Student | $16,697 | $16,085 | $13,142 |
| Instr. Expend. per Student | $10,703 | $10,083 | $7,999 |
| Pupil/Teacher Ratio | 13.63 | 13.52 | 16.23 |
| Students per Librarian | 490 | 671 | 4573 |
| Students per Counselor | 292 | 273 | 530 |
| Grade School Educ. | 3.0% | 2.0% | 4.8% |
| Some High School Educ. | 3.0% | 2.3% | 6.3% |
| High School Educ. | 94.0% | 95.6% | 88.9% |
| Some College Educ. | 8.8% | 11.1% | 20.0% |
| 2 yr College Grad. | 6.5% | 4.5% | 8.7% |
| 4 yr College Grad. | 68.9% | 71.2% | 33.7% |
| Masters Grad. | 24.2% | 27.1% | 9.3% |
| Professional Degree | 3.9% | 4.2% | 2.2% |
| Doctorate Degree | 7.2% | 4.2% | 1.5% |