| | Greenfield, TN | Paducah, KY | United States |
| Expend. per Student | $9,618 | $13,985 | $15,905 |
| Educ. Expend. per Student | $9,172 | $10,673 | $13,142 |
| Instr. Expend. per Student | $5,633 | $6,308 | $7,999 |
| Pupil/Teacher Ratio | 13.89 | 15.71 | 16.23 |
| Students per Librarian | 569 | 621 | 4573 |
| Students per Counselor | 398 | 343 | 530 |
| Grade School Educ. | 6.1% | 3.0% | 4.8% |
| Some High School Educ. | 6.4% | 6.1% | 6.3% |
| High School Educ. | 87.6% | 90.9% | 88.9% |
| Some College Educ. | 16.7% | 22.6% | 20.0% |
| 2 yr College Grad. | 4.8% | 8.2% | 8.7% |
| 4 yr College Grad. | 15.0% | 27.4% | 33.7% |
| Masters Grad. | 2.8% | 7.0% | 9.3% |
| Professional Degree | 0.9% | 3.0% | 2.2% |
| Doctorate Degree | 0.5% | 1.5% | 1.5% |