| | Knoxville, TN | Aubrey, TX | United States |
| Expend. per Student | $9,689 | $16,080 | $15,905 |
| Educ. Expend. per Student | $9,352 | $9,859 | $13,142 |
| Instr. Expend. per Student | $5,615 | $5,983 | $7,999 |
| Pupil/Teacher Ratio | 15.01 | 14.39 | 16.23 |
| Students per Librarian | 713 | 1018 | 4573 |
| Students per Counselor | 433 | 365 | 530 |
| Grade School Educ. | 3.1% | 3.0% | 4.8% |
| Some High School Educ. | 7.0% | 1.1% | 6.3% |
| High School Educ. | 89.9% | 96.0% | 88.9% |
| Some College Educ. | 20.4% | 25.7% | 20.0% |
| 2 yr College Grad. | 8.5% | 8.5% | 8.7% |
| 4 yr College Grad. | 33.4% | 31.7% | 33.7% |
| Masters Grad. | 8.7% | 4.6% | 9.3% |
| Professional Degree | 2.4% | 3.1% | 2.2% |
| Doctorate Degree | 2.2% | 0.0% | 1.5% |