| | Aurora, IL | Redwood City, CA | United States |
| Expend. per Student | $17,588 | $20,087 | $15,905 |
| Educ. Expend. per Student | $15,271 | $15,457 | $13,142 |
| Instr. Expend. per Student | $8,985 | $9,271 | $7,999 |
| Pupil/Teacher Ratio | 14.42 | 19.79 | 16.23 |
| Students per Librarian | 1352 | 8055 | 4573 |
| Students per Counselor | 659 | 431 | 530 |
| Grade School Educ. | 11.6% | 6.3% | 4.8% |
| Some High School Educ. | 8.0% | 5.1% | 6.3% |
| High School Educ. | 80.4% | 88.7% | 88.9% |
| Some College Educ. | 18.1% | 14.2% | 20.0% |
| 2 yr College Grad. | 6.6% | 5.6% | 8.7% |
| 4 yr College Grad. | 34.8% | 52.5% | 33.7% |
| Masters Grad. | 11.3% | 15.7% | 9.3% |
| Professional Degree | 1.3% | 4.0% | 2.2% |
| Doctorate Degree | 0.9% | 6.1% | 1.5% |