| | Old Greenwich, CT | Tiburon, CA | United States |
| Expend. per Student | $22,984 | $21,111 | $15,905 |
| Educ. Expend. per Student | $20,833 | $14,962 | $13,142 |
| Instr. Expend. per Student | $12,792 | $9,450 | $7,999 |
| Pupil/Teacher Ratio | 12.77 | 19.84 | 16.23 |
| Students per Librarian | 506 | 4141 | 4573 |
| Students per Counselor | 356 | 508 | 530 |
| Grade School Educ. | 0.4% | 0.3% | 4.8% |
| Some High School Educ. | 1.6% | 0.7% | 6.3% |
| High School Educ. | 98.0% | 98.9% | 88.9% |
| Some College Educ. | 5.1% | 12.4% | 20.0% |
| 2 yr College Grad. | 1.9% | 4.0% | 8.7% |
| 4 yr College Grad. | 84.2% | 77.6% | 33.7% |
| Masters Grad. | 36.2% | 20.9% | 9.3% |
| Professional Degree | 9.7% | 11.8% | 2.2% |
| Doctorate Degree | 3.9% | 4.9% | 1.5% |