| | Petaluma, CA | Modesto, CA | United States |
| Expend. per Student | $16,850 | $14,058 | $15,905 |
| Educ. Expend. per Student | $13,921 | $12,636 | $13,142 |
| Instr. Expend. per Student | $8,508 | $7,724 | $7,999 |
| Pupil/Teacher Ratio | 20.82 | 21.95 | 16.23 |
| Students per Librarian | 14240 | 46762 | 4573 |
| Students per Counselor | 399 | 729 | 530 |
| Grade School Educ. | 4.6% | 7.9% | 4.8% |
| Some High School Educ. | 4.8% | 8.7% | 6.3% |
| High School Educ. | 90.5% | 83.4% | 88.9% |
| Some College Educ. | 24.2% | 26.3% | 20.0% |
| 2 yr College Grad. | 9.4% | 8.4% | 8.7% |
| 4 yr College Grad. | 40.3% | 19.5% | 33.7% |
| Masters Grad. | 9.9% | 3.8% | 9.3% |
| Professional Degree | 3.4% | 1.6% | 2.2% |
| Doctorate Degree | 1.4% | 0.7% | 1.5% |