| | Aurora, IL | Orinda, CA | United States |
| Expend. per Student | $17,588 | $15,192 | $15,905 |
| Educ. Expend. per Student | $15,271 | $12,448 | $13,142 |
| Instr. Expend. per Student | $8,985 | $7,565 | $7,999 |
| Pupil/Teacher Ratio | 14.42 | 22.21 | 16.23 |
| Students per Librarian | 1352 | 7518 | 4573 |
| Students per Counselor | 659 | 584 | 530 |
| Grade School Educ. | 11.6% | 0.6% | 4.8% |
| Some High School Educ. | 8.0% | 0.6% | 6.3% |
| High School Educ. | 80.4% | 98.8% | 88.9% |
| Some College Educ. | 18.1% | 6.8% | 20.0% |
| 2 yr College Grad. | 6.6% | 3.0% | 8.7% |
| 4 yr College Grad. | 34.8% | 87.0% | 33.7% |
| Masters Grad. | 11.3% | 22.9% | 9.3% |
| Professional Degree | 1.3% | 13.7% | 2.2% |
| Doctorate Degree | 0.9% | 9.1% | 1.5% |