| | Sonoma, CA | Philadelphia, PA | United States |
| Expend. per Student | $16,850 | $25,843 | $15,905 |
| Educ. Expend. per Student | $13,921 | $14,192 | $13,142 |
| Instr. Expend. per Student | $8,508 | $7,842 | $7,999 |
| Pupil/Teacher Ratio | 20.82 | 15.04 | 16.23 |
| Students per Librarian | 14240 | 2380 | 4573 |
| Students per Counselor | 399 | 408 | 530 |
| Grade School Educ. | 3.0% | 5.1% | 4.8% |
| Some High School Educ. | 4.0% | 8.4% | 6.3% |
| High School Educ. | 92.9% | 86.6% | 88.9% |
| Some College Educ. | 20.3% | 16.7% | 20.0% |
| 2 yr College Grad. | 7.3% | 6.0% | 8.7% |
| 4 yr College Grad. | 45.7% | 32.5% | 33.7% |
| Masters Grad. | 12.7% | 9.3% | 9.3% |
| Professional Degree | 3.6% | 3.0% | 2.2% |
| Doctorate Degree | 2.2% | 1.8% | 1.5% |