| | Rio Grande City, TX | Sinton, TX | United States |
| Expend. per Student | $12,836 | $16,560 | $15,905 |
| Educ. Expend. per Student | $11,865 | $11,327 | $13,142 |
| Instr. Expend. per Student | $6,840 | $6,379 | $7,999 |
| Pupil/Teacher Ratio | 12.67 | 13.55 | 16.23 |
| Students per Librarian | 341 | 1368 | 4573 |
| Students per Counselor | 257 | 353 | 530 |
| Grade School Educ. | 17.8% | 11.4% | 4.8% |
| Some High School Educ. | 15.5% | 18.8% | 6.3% |
| High School Educ. | 66.7% | 69.8% | 88.9% |
| Some College Educ. | 18.6% | 18.9% | 20.0% |
| 2 yr College Grad. | 3.4% | 7.3% | 8.7% |
| 4 yr College Grad. | 18.1% | 4.4% | 33.7% |
| Masters Grad. | 3.3% | 1.4% | 9.3% |
| Professional Degree | 0.3% | 0.4% | 2.2% |
| Doctorate Degree | 0.4% | 0.0% | 1.5% |