| | Brookville, NY | Bayville, NY | United States |
| Expend. per Student | $31,321 | $31,321 | $15,905 |
| Educ. Expend. per Student | $27,824 | $27,824 | $13,142 |
| Instr. Expend. per Student | $18,368 | $18,368 | $7,999 |
| Pupil/Teacher Ratio | 12.06 | 12.06 | 16.23 |
| Students per Librarian | 979 | 979 | 4573 |
| Students per Counselor | 358 | 358 | 530 |
| Grade School Educ. | 1.2% | 2.7% | 4.8% |
| Some High School Educ. | 0.4% | 2.5% | 6.3% |
| High School Educ. | 98.4% | 94.8% | 88.9% |
| Some College Educ. | 7.0% | 17.9% | 20.0% |
| 2 yr College Grad. | 1.6% | 8.2% | 8.7% |
| 4 yr College Grad. | 82.0% | 50.8% | 33.7% |
| Masters Grad. | 16.0% | 17.0% | 9.3% |
| Professional Degree | 25.7% | 7.0% | 2.2% |
| Doctorate Degree | 3.8% | 1.4% | 1.5% |