| | Healdsburg, CA | Castle Pines, CO | United States |
| Expend. per Student | $16,850 | $12,699 | $15,905 |
| Educ. Expend. per Student | $13,921 | $10,748 | $13,142 |
| Instr. Expend. per Student | $8,508 | $6,132 | $7,999 |
| Pupil/Teacher Ratio | 20.82 | 17.62 | 16.23 |
| Students per Librarian | 14240 | 914 | 4573 |
| Students per Counselor | 399 | 279 | 530 |
| Grade School Educ. | 3.0% | 0.3% | 4.8% |
| Some High School Educ. | 2.8% | 0.4% | 6.3% |
| High School Educ. | 94.2% | 99.4% | 88.9% |
| Some College Educ. | 17.6% | 14.9% | 20.0% |
| 2 yr College Grad. | 13.4% | 5.0% | 8.7% |
| 4 yr College Grad. | 46.2% | 70.8% | 33.7% |
| Masters Grad. | 10.7% | 20.6% | 9.3% |
| Professional Degree | 4.7% | 3.3% | 2.2% |
| Doctorate Degree | 1.9% | 3.2% | 1.5% |