| | San Marcos, TX | Seneca, SC | United States |
| Expend. per Student | $14,040 | $15,306 | $15,905 |
| Educ. Expend. per Student | $9,966 | $12,115 | $13,142 |
| Instr. Expend. per Student | $5,953 | $7,061 | $7,999 |
| Pupil/Teacher Ratio | 14.55 | 12.78 | 16.23 |
| Students per Librarian | 712 | 359 | 4573 |
| Students per Counselor | 424 | 386 | 530 |
| Grade School Educ. | 4.0% | 5.7% | 4.8% |
| Some High School Educ. | 5.5% | 9.3% | 6.3% |
| High School Educ. | 90.5% | 85.0% | 88.9% |
| Some College Educ. | 23.7% | 21.3% | 20.0% |
| 2 yr College Grad. | 6.8% | 12.8% | 8.7% |
| 4 yr College Grad. | 34.8% | 27.4% | 33.7% |
| Masters Grad. | 8.7% | 5.9% | 9.3% |
| Professional Degree | 1.2% | 0.7% | 2.2% |
| Doctorate Degree | 3.3% | 0.3% | 1.5% |