| | Tucson, AZ | Clarksville, TN | United States |
| Expend. per Student | $10,756 | $10,189 | $15,905 |
| Educ. Expend. per Student | $8,897 | $9,327 | $13,142 |
| Instr. Expend. per Student | $4,785 | $5,626 | $7,999 |
| Pupil/Teacher Ratio | 16.66 | 17.72 | 16.23 |
| Students per Librarian | 1447 | 369 | 4573 |
| Students per Counselor | 519 | 385 | 530 |
| Grade School Educ. | 5.3% | 2.1% | 4.8% |
| Some High School Educ. | 8.5% | 4.4% | 6.3% |
| High School Educ. | 86.3% | 93.6% | 88.9% |
| Some College Educ. | 25.7% | 26.3% | 20.0% |
| 2 yr College Grad. | 8.9% | 11.6% | 8.7% |
| 4 yr College Grad. | 28.9% | 28.7% | 33.7% |
| Masters Grad. | 8.2% | 8.2% | 9.3% |
| Professional Degree | 1.4% | 0.8% | 2.2% |
| Doctorate Degree | 1.8% | 1.1% | 1.5% |