| | Decatur, AL | Robinson, IL | United States |
| Expend. per Student | $12,058 | $14,539 | $15,905 |
| Educ. Expend. per Student | $10,895 | $12,859 | $13,142 |
| Instr. Expend. per Student | $6,441 | $7,138 | $7,999 |
| Pupil/Teacher Ratio | 17.8 | 12.67 | 16.23 |
| Students per Librarian | 479 | 550 | 4573 |
| Students per Counselor | 379 | 344 | 530 |
| Grade School Educ. | 7.1% | 4.8% | 4.8% |
| Some High School Educ. | 9.2% | 19.1% | 6.3% |
| High School Educ. | 83.7% | 76.1% | 88.9% |
| Some College Educ. | 21.9% | 19.7% | 20.0% |
| 2 yr College Grad. | 8.9% | 13.9% | 8.7% |
| 4 yr College Grad. | 23.6% | 20.1% | 33.7% |
| Masters Grad. | 5.3% | 5.8% | 9.3% |
| Professional Degree | 1.4% | 0.4% | 2.2% |
| Doctorate Degree | 0.8% | 0.8% | 1.5% |