| | El Cajon, CA | Milan, TN | United States |
| Expend. per Student | $16,358 | $10,189 | $15,905 |
| Educ. Expend. per Student | $13,161 | $9,062 | $13,142 |
| Instr. Expend. per Student | $8,084 | $5,457 | $7,999 |
| Pupil/Teacher Ratio | 22.65 | 15.82 | 16.23 |
| Students per Librarian | 18744 | 482 | 4573 |
| Students per Counselor | 513 | 558 | 530 |
| Grade School Educ. | 8.4% | 5.2% | 4.8% |
| Some High School Educ. | 5.8% | 6.0% | 6.3% |
| High School Educ. | 85.8% | 88.7% | 88.9% |
| Some College Educ. | 25.4% | 28.4% | 20.0% |
| 2 yr College Grad. | 8.2% | 5.3% | 8.7% |
| 4 yr College Grad. | 23.5% | 13.9% | 33.7% |
| Masters Grad. | 5.4% | 3.6% | 9.3% |
| Professional Degree | 0.9% | 0.4% | 2.2% |
| Doctorate Degree | 0.7% | 1.3% | 1.5% |