| | Markham, IL | Salisbury, MD | United States |
| Expend. per Student | $21,907 | $17,051 | $15,905 |
| Educ. Expend. per Student | $18,508 | $15,378 | $13,142 |
| Instr. Expend. per Student | $11,567 | $9,429 | $7,999 |
| Pupil/Teacher Ratio | 13.97 | 12.45 | 16.23 |
| Students per Librarian | 1480 | 667 | 4573 |
| Students per Counselor | 481 | 196 | 530 |
| Grade School Educ. | 4.6% | 4.6% | 4.8% |
| Some High School Educ. | 7.2% | 10.0% | 6.3% |
| High School Educ. | 88.2% | 85.5% | 88.9% |
| Some College Educ. | 32.4% | 18.6% | 20.0% |
| 2 yr College Grad. | 7.2% | 9.8% | 8.7% |
| 4 yr College Grad. | 14.2% | 29.0% | 33.7% |
| Masters Grad. | 3.3% | 8.7% | 9.3% |
| Professional Degree | 0.2% | 2.3% | 2.2% |
| Doctorate Degree | 0.4% | 1.5% | 1.5% |