| | Lafayette, LA | Erath, LA | United States |
| Expend. per Student | $12,897 | $10,139 | $15,905 |
| Educ. Expend. per Student | $10,453 | $9,629 | $13,142 |
| Instr. Expend. per Student | $5,984 | $5,572 | $7,999 |
| Pupil/Teacher Ratio | 18.64 | 16.83 | 16.23 |
| Students per Librarian | 725 | 470 | 4573 |
| Students per Counselor | 320 | 411 | 530 |
| Grade School Educ. | 3.5% | 6.7% | 4.8% |
| Some High School Educ. | 6.2% | 12.7% | 6.3% |
| High School Educ. | 90.3% | 80.5% | 88.9% |
| Some College Educ. | 19.5% | 13.6% | 20.0% |
| 2 yr College Grad. | 5.2% | 6.7% | 8.7% |
| 4 yr College Grad. | 39.4% | 21.7% | 33.7% |
| Masters Grad. | 8.7% | 3.5% | 9.3% |
| Professional Degree | 3.9% | 2.3% | 2.2% |
| Doctorate Degree | 1.9% | 0.5% | 1.5% |