| | Devon, PA | Poolesville, MD | United States |
| Expend. per Student | $20,536 | $19,736 | $15,905 |
| Educ. Expend. per Student | $15,724 | $16,697 | $13,142 |
| Instr. Expend. per Student | $10,034 | $10,703 | $7,999 |
| Pupil/Teacher Ratio | 13.96 | 13.63 | 16.23 |
| Students per Librarian | 554 | 490 | 4573 |
| Students per Counselor | 301 | 292 | 530 |
| Grade School Educ. | 0.0% | 1.9% | 4.8% |
| Some High School Educ. | 0.0% | 2.4% | 6.3% |
| High School Educ. | 100.0% | 95.7% | 88.9% |
| Some College Educ. | 10.1% | 12.5% | 20.0% |
| 2 yr College Grad. | 2.7% | 8.3% | 8.7% |
| 4 yr College Grad. | 79.6% | 62.7% | 33.7% |
| Masters Grad. | 17.5% | 18.9% | 9.3% |
| Professional Degree | 6.8% | 1.6% | 2.2% |
| Doctorate Degree | 9.0% | 5.4% | 1.5% |