| | Duncan, OK | Greenville, SC | United States |
| Expend. per Student | $9,882 | $12,034 | $15,905 |
| Educ. Expend. per Student | $9,366 | $10,391 | $13,142 |
| Instr. Expend. per Student | $5,223 | $5,940 | $7,999 |
| Pupil/Teacher Ratio | 15.82 | 14.99 | 16.23 |
| Students per Librarian | 248 | 459 | 4573 |
| Students per Counselor | 341 | 299 | 530 |
| Grade School Educ. | 4.0% | 2.0% | 4.8% |
| Some High School Educ. | 10.1% | 6.0% | 6.3% |
| High School Educ. | 85.9% | 91.9% | 88.9% |
| Some College Educ. | 22.3% | 14.7% | 20.0% |
| 2 yr College Grad. | 5.2% | 7.3% | 8.7% |
| 4 yr College Grad. | 19.3% | 52.5% | 33.7% |
| Masters Grad. | 5.9% | 13.8% | 9.3% |
| Professional Degree | 0.7% | 4.7% | 2.2% |
| Doctorate Degree | 0.7% | 2.8% | 1.5% |