| | Charleston, IL | Martin, TN | United States |
| Expend. per Student | $14,633 | $9,618 | $15,905 |
| Educ. Expend. per Student | $13,567 | $9,172 | $13,142 |
| Instr. Expend. per Student | $7,925 | $5,633 | $7,999 |
| Pupil/Teacher Ratio | 15.54 | 13.89 | 16.23 |
| Students per Librarian | 1013 | 569 | 4573 |
| Students per Counselor | 346 | 398 | 530 |
| Grade School Educ. | 3.2% | 2.3% | 4.8% |
| Some High School Educ. | 5.1% | 6.8% | 6.3% |
| High School Educ. | 91.6% | 90.9% | 88.9% |
| Some College Educ. | 22.6% | 20.8% | 20.0% |
| 2 yr College Grad. | 9.9% | 4.2% | 8.7% |
| 4 yr College Grad. | 32.7% | 29.5% | 33.7% |
| Masters Grad. | 9.2% | 8.9% | 9.3% |
| Professional Degree | 0.8% | 0.9% | 2.2% |
| Doctorate Degree | 3.0% | 4.4% | 1.5% |