| | Chattanooga, TN | Purcellville, VA | United States |
| Expend. per Student | $11,280 | $17,858 | $15,905 |
| Educ. Expend. per Student | $10,814 | $15,780 | $13,142 |
| Instr. Expend. per Student | $6,730 | $10,210 | $7,999 |
| Pupil/Teacher Ratio | 14.96 | 13.7 | 16.23 |
| Students per Librarian | 655 | 649 | 4573 |
| Students per Counselor | 380 | 250 | 530 |
| Grade School Educ. | 4.0% | 2.2% | 4.8% |
| Some High School Educ. | 7.0% | 4.0% | 6.3% |
| High School Educ. | 89.0% | 93.9% | 88.9% |
| Some College Educ. | 22.2% | 15.4% | 20.0% |
| 2 yr College Grad. | 8.4% | 11.2% | 8.7% |
| 4 yr College Grad. | 32.0% | 55.0% | 33.7% |
| Masters Grad. | 8.3% | 19.2% | 9.3% |
| Professional Degree | 2.2% | 2.0% | 2.2% |
| Doctorate Degree | 1.4% | 0.6% | 1.5% |