| | Duncan, MO | United States, MO |
| Expend. per Student | $15,110 | $15,905 |
| Educ. Expend. per Student | $12,176 | $13,142 |
| Instr. Expend. per Student | $7,318 | $7,999 |
| Pupil/Teacher Ratio | 10.58 | 16.23 |
| Students per Librarian | 747 | 4573 |
| Students per Counselor | 317 | 530 |
| Grade School Educ. | 5.0% | 4.8% |
| Some High School Educ. | 10.5% | 6.3% |
| High School Educ. | 84.5% | 88.9% |
| Some College Educ. | 18.6% | 20.0% |
| 2 yr College Grad. | 5.9% | 8.7% |
| 4 yr College Grad. | 24.5% | 33.7% |
| Masters Grad. | 1.4% | 9.3% |
| Professional Degree | 0.0% | 2.2% |
| Doctorate Degree | 0.0% | 1.5% |