| | Zillah, WA | Centralia, WA | United States |
| Expend. per Student | $16,346 | $18,003 | $15,905 |
| Educ. Expend. per Student | $13,566 | $13,806 | $13,142 |
| Instr. Expend. per Student | $7,790 | $8,369 | $7,999 |
| Pupil/Teacher Ratio | 18.66 | 16.95 | 16.23 |
| Students per Librarian | 1648 | 47228 | 4573 |
| Students per Counselor | 432 | 429 | 530 |
| Grade School Educ. | 10.9% | 4.7% | 4.8% |
| Some High School Educ. | 11.5% | 9.6% | 6.3% |
| High School Educ. | 77.7% | 85.7% | 88.9% |
| Some College Educ. | 23.8% | 25.2% | 20.0% |
| 2 yr College Grad. | 6.9% | 12.1% | 8.7% |
| 4 yr College Grad. | 20.0% | 15.8% | 33.7% |
| Masters Grad. | 7.6% | 4.1% | 9.3% |
| Professional Degree | 2.0% | 0.3% | 2.2% |
| Doctorate Degree | 0.0% | 0.2% | 1.5% |