| | Arnold, MO | Marion, IL | United States |
| Expend. per Student | $11,403 | $13,089 | $15,905 |
| Educ. Expend. per Student | $9,907 | $10,976 | $13,142 |
| Instr. Expend. per Student | $5,980 | $6,805 | $7,999 |
| Pupil/Teacher Ratio | 14.01 | 16.73 | 16.23 |
| Students per Librarian | 660 | 4924 | 4573 |
| Students per Counselor | 342 | 542 | 530 |
| Grade School Educ. | 2.3% | 1.5% | 4.8% |
| Some High School Educ. | 5.7% | 4.3% | 6.3% |
| High School Educ. | 92.0% | 94.2% | 88.9% |
| Some College Educ. | 24.7% | 25.5% | 20.0% |
| 2 yr College Grad. | 10.3% | 10.8% | 8.7% |
| 4 yr College Grad. | 23.5% | 25.5% | 33.7% |
| Masters Grad. | 6.4% | 6.8% | 9.3% |
| Professional Degree | 0.4% | 1.6% | 2.2% |
| Doctorate Degree | 1.4% | 0.9% | 1.5% |