| | Carol Stream, IL | Napa, CA | United States |
| Expend. per Student | $22,018 | $18,219 | $15,905 |
| Educ. Expend. per Student | $18,682 | $13,371 | $13,142 |
| Instr. Expend. per Student | $11,697 | $8,168 | $7,999 |
| Pupil/Teacher Ratio | 13.43 | 22.95 | 16.23 |
| Students per Librarian | 709 | 57603 | 4573 |
| Students per Counselor | 535 | 537 | 530 |
| Grade School Educ. | 3.8% | 10.5% | 4.8% |
| Some High School Educ. | 5.3% | 5.5% | 6.3% |
| High School Educ. | 90.9% | 84.0% | 88.9% |
| Some College Educ. | 20.8% | 21.7% | 20.0% |
| 2 yr College Grad. | 8.4% | 8.8% | 8.7% |
| 4 yr College Grad. | 41.7% | 35.2% | 33.7% |
| Masters Grad. | 11.3% | 7.8% | 9.3% |
| Professional Degree | 1.6% | 2.7% | 2.2% |
| Doctorate Degree | 1.1% | 1.1% | 1.5% |