| | Amboy, WA | Castle Rock, WA | United States |
| Expend. per Student | $19,098 | $20,054 | $15,905 |
| Educ. Expend. per Student | $13,853 | $13,368 | $13,142 |
| Instr. Expend. per Student | $8,102 | $7,833 | $7,999 |
| Pupil/Teacher Ratio | 18.13 | 18.55 | 16.23 |
| Students per Librarian | 1042 | 2064 | 4573 |
| Students per Counselor | 373 | 334 | 530 |
| Grade School Educ. | 3.2% | 0.0% | 4.8% |
| Some High School Educ. | 5.8% | 4.7% | 6.3% |
| High School Educ. | 91.1% | 95.3% | 88.9% |
| Some College Educ. | 22.8% | 32.7% | 20.0% |
| 2 yr College Grad. | 6.3% | 7.6% | 8.7% |
| 4 yr College Grad. | 31.4% | 15.2% | 33.7% |
| Masters Grad. | 5.5% | 4.2% | 9.3% |
| Professional Degree | 0.2% | 0.0% | 2.2% |
| Doctorate Degree | 0.8% | 0.1% | 1.5% |