| | Buffalo Grove, IL | Ashburn, VA | United States |
| Expend. per Student | $24,440 | $17,858 | $15,905 |
| Educ. Expend. per Student | $20,875 | $15,780 | $13,142 |
| Instr. Expend. per Student | $12,628 | $10,210 | $7,999 |
| Pupil/Teacher Ratio | 13.56 | 13.7 | 16.23 |
| Students per Librarian | 1005 | 649 | 4573 |
| Students per Counselor | 592 | 250 | 530 |
| Grade School Educ. | 1.1% | 1.4% | 4.8% |
| Some High School Educ. | 1.2% | 2.7% | 6.3% |
| High School Educ. | 97.7% | 95.8% | 88.9% |
| Some College Educ. | 14.1% | 14.8% | 20.0% |
| 2 yr College Grad. | 6.6% | 6.3% | 8.7% |
| 4 yr College Grad. | 67.3% | 64.5% | 33.7% |
| Masters Grad. | 23.2% | 21.4% | 9.3% |
| Professional Degree | 2.9% | 3.1% | 2.2% |
| Doctorate Degree | 3.2% | 2.8% | 1.5% |