| | Napa, CA | Mamaroneck, NY | United States |
| Expend. per Student | $18,219 | $31,362 | $15,905 |
| Educ. Expend. per Student | $13,371 | $27,367 | $13,142 |
| Instr. Expend. per Student | $8,168 | $18,180 | $7,999 |
| Pupil/Teacher Ratio | 22.95 | 12.74 | 16.23 |
| Students per Librarian | 57603 | 932 | 4573 |
| Students per Counselor | 537 | 315 | 530 |
| Grade School Educ. | 10.5% | 4.0% | 4.8% |
| Some High School Educ. | 5.5% | 4.1% | 6.3% |
| High School Educ. | 84.0% | 91.9% | 88.9% |
| Some College Educ. | 21.7% | 8.1% | 20.0% |
| 2 yr College Grad. | 8.8% | 4.6% | 8.7% |
| 4 yr College Grad. | 35.2% | 69.1% | 33.7% |
| Masters Grad. | 7.8% | 21.5% | 9.3% |
| Professional Degree | 2.7% | 12.3% | 2.2% |
| Doctorate Degree | 1.1% | 2.9% | 1.5% |