| | Carbondale, IL | Phoenix, AZ | United States |
| Expend. per Student | $19,079 | $10,564 | $15,905 |
| Educ. Expend. per Student | $16,077 | $8,653 | $13,142 |
| Instr. Expend. per Student | $9,644 | $4,810 | $7,999 |
| Pupil/Teacher Ratio | 12.29 | 18.24 | 16.23 |
| Students per Librarian | 1240 | 2348 | 4573 |
| Students per Counselor | 482 | 718 | 530 |
| Grade School Educ. | 1.9% | 8.2% | 4.8% |
| Some High School Educ. | 3.4% | 8.2% | 6.3% |
| High School Educ. | 94.7% | 83.5% | 88.9% |
| Some College Educ. | 25.6% | 22.1% | 20.0% |
| 2 yr College Grad. | 7.9% | 8.0% | 8.7% |
| 4 yr College Grad. | 45.4% | 30.6% | 33.7% |
| Masters Grad. | 17.3% | 8.2% | 9.3% |
| Professional Degree | 3.6% | 2.1% | 2.2% |
| Doctorate Degree | 5.5% | 1.2% | 1.5% |