| | Winnetka, IL | Centreville, IL | United States |
| Expend. per Student | $21,907 | $17,142 | $15,905 |
| Educ. Expend. per Student | $18,508 | $15,271 | $13,142 |
| Instr. Expend. per Student | $11,567 | $8,545 | $7,999 |
| Pupil/Teacher Ratio | 13.97 | 14.97 | 16.23 |
| Students per Librarian | 1480 | 2351 | 4573 |
| Students per Counselor | 481 | 636 | 530 |
| Grade School Educ. | 0.0% | 3.8% | 4.8% |
| Some High School Educ. | 1.0% | 9.0% | 6.3% |
| High School Educ. | 99.0% | 87.2% | 88.9% |
| Some College Educ. | 4.4% | 29.9% | 20.0% |
| 2 yr College Grad. | 2.0% | 8.8% | 8.7% |
| 4 yr College Grad. | 90.4% | 13.0% | 33.7% |
| Masters Grad. | 32.6% | 4.8% | 9.3% |
| Professional Degree | 14.4% | 0.3% | 2.2% |
| Doctorate Degree | 3.5% | 0.0% | 1.5% |