| | Greenfield, IA | Oskaloosa, IA | United States |
| Expend. per Student | $15,663 | $13,112 | $15,905 |
| Educ. Expend. per Student | $12,070 | $11,176 | $13,142 |
| Instr. Expend. per Student | $7,468 | $6,721 | $7,999 |
| Pupil/Teacher Ratio | 12.3 | 13.34 | 16.23 |
| Students per Librarian | 760 | 754 | 4573 |
| Students per Counselor | 180 | 306 | 530 |
| Grade School Educ. | 1.7% | 4.0% | 4.8% |
| Some High School Educ. | 4.5% | 4.8% | 6.3% |
| High School Educ. | 93.8% | 91.2% | 88.9% |
| Some College Educ. | 19.0% | 18.9% | 20.0% |
| 2 yr College Grad. | 12.1% | 11.1% | 8.7% |
| 4 yr College Grad. | 18.7% | 22.8% | 33.7% |
| Masters Grad. | 4.5% | 5.6% | 9.3% |
| Professional Degree | 2.1% | 0.9% | 2.2% |
| Doctorate Degree | 2.6% | 0.4% | 1.5% |