| | London, OH | Castana, IA | United States |
| Expend. per Student | $12,220 | $13,579 | $15,905 |
| Educ. Expend. per Student | $11,236 | $11,666 | $13,142 |
| Instr. Expend. per Student | $6,689 | $7,099 | $7,999 |
| Pupil/Teacher Ratio | 17.88 | 11.21 | 16.23 |
| Students per Librarian | 816 | 402 | 4573 |
| Students per Counselor | 414 | 353 | 530 |
| Grade School Educ. | 2.6% | 0.6% | 4.8% |
| Some High School Educ. | 10.2% | 7.1% | 6.3% |
| High School Educ. | 87.3% | 92.3% | 88.9% |
| Some College Educ. | 19.3% | 21.8% | 20.0% |
| 2 yr College Grad. | 8.1% | 18.6% | 8.7% |
| 4 yr College Grad. | 18.6% | 7.7% | 33.7% |
| Masters Grad. | 3.8% | 0.6% | 9.3% |
| Professional Degree | 1.2% | 0.0% | 2.2% |
| Doctorate Degree | 0.2% | 0.0% | 1.5% |