| | Seaford, NY | Hinsdale, IL | United States |
| Expend. per Student | $31,321 | $22,018 | $15,905 |
| Educ. Expend. per Student | $27,824 | $18,682 | $13,142 |
| Instr. Expend. per Student | $18,368 | $11,697 | $7,999 |
| Pupil/Teacher Ratio | 12.06 | 13.43 | 16.23 |
| Students per Librarian | 979 | 709 | 4573 |
| Students per Counselor | 358 | 535 | 530 |
| Grade School Educ. | 2.1% | 1.1% | 4.8% |
| Some High School Educ. | 1.2% | 1.2% | 6.3% |
| High School Educ. | 96.7% | 97.7% | 88.9% |
| Some College Educ. | 17.8% | 7.9% | 20.0% |
| 2 yr College Grad. | 10.4% | 3.3% | 8.7% |
| 4 yr College Grad. | 45.1% | 80.5% | 33.7% |
| Masters Grad. | 15.6% | 26.9% | 9.3% |
| Professional Degree | 2.8% | 12.3% | 2.2% |
| Doctorate Degree | 0.6% | 4.5% | 1.5% |