| | Waterloo, IL | Castle Rock, CO | United States |
| Expend. per Student | $13,996 | $12,699 | $15,905 |
| Educ. Expend. per Student | $12,031 | $10,748 | $13,142 |
| Instr. Expend. per Student | $7,241 | $6,132 | $7,999 |
| Pupil/Teacher Ratio | 15.22 | 17.62 | 16.23 |
| Students per Librarian | 1187 | 914 | 4573 |
| Students per Counselor | 429 | 279 | 530 |
| Grade School Educ. | 0.7% | 0.9% | 4.8% |
| Some High School Educ. | 4.2% | 1.9% | 6.3% |
| High School Educ. | 95.1% | 97.2% | 88.9% |
| Some College Educ. | 25.1% | 22.0% | 20.0% |
| 2 yr College Grad. | 8.6% | 8.5% | 8.7% |
| 4 yr College Grad. | 35.8% | 52.0% | 33.7% |
| Masters Grad. | 9.1% | 12.9% | 9.3% |
| Professional Degree | 1.6% | 1.7% | 2.2% |
| Doctorate Degree | 1.0% | 1.5% | 1.5% |