| | Decatur, TN | Louisville, KY | United States |
| Expend. per Student | $10,155 | $15,618 | $15,905 |
| Educ. Expend. per Student | $9,711 | $14,255 | $13,142 |
| Instr. Expend. per Student | $6,474 | $7,769 | $7,999 |
| Pupil/Teacher Ratio | 14.71 | 15.15 | 16.23 |
| Students per Librarian | 500 | 467 | 4573 |
| Students per Counselor | 526 | 227 | 530 |
| Grade School Educ. | 10.9% | 3.1% | 4.8% |
| Some High School Educ. | 13.2% | 6.7% | 6.3% |
| High School Educ. | 76.0% | 90.2% | 88.9% |
| Some College Educ. | 21.6% | 22.1% | 20.0% |
| 2 yr College Grad. | 7.5% | 8.3% | 8.7% |
| 4 yr College Grad. | 7.0% | 31.6% | 33.7% |
| Masters Grad. | 1.6% | 9.0% | 9.3% |
| Professional Degree | 0.1% | 2.1% | 2.2% |
| Doctorate Degree | 0.2% | 1.5% | 1.5% |