| | Smithtown, NY | Hilton Head Island, SC | United States |
| Expend. per Student | $30,219 | $15,072 | $15,905 |
| Educ. Expend. per Student | $26,965 | $12,547 | $13,142 |
| Instr. Expend. per Student | $18,018 | $7,547 | $7,999 |
| Pupil/Teacher Ratio | 12.27 | 12.17 | 16.23 |
| Students per Librarian | 1114 | 343 | 4573 |
| Students per Counselor | 356 | 289 | 530 |
| Grade School Educ. | 1.9% | 2.2% | 4.8% |
| Some High School Educ. | 2.0% | 5.2% | 6.3% |
| High School Educ. | 96.1% | 92.5% | 88.9% |
| Some College Educ. | 15.1% | 15.1% | 20.0% |
| 2 yr College Grad. | 9.5% | 6.6% | 8.7% |
| 4 yr College Grad. | 51.4% | 52.6% | 33.7% |
| Masters Grad. | 17.8% | 15.7% | 9.3% |
| Professional Degree | 4.0% | 4.2% | 2.2% |
| Doctorate Degree | 1.6% | 3.2% | 1.5% |