| | Brentwood, NY | Garden City, NY | United States |
| Expend. per Student | $30,219 | $31,321 | $15,905 |
| Educ. Expend. per Student | $26,965 | $27,824 | $13,142 |
| Instr. Expend. per Student | $18,018 | $18,368 | $7,999 |
| Pupil/Teacher Ratio | 12.27 | 12.06 | 16.23 |
| Students per Librarian | 1114 | 979 | 4573 |
| Students per Counselor | 356 | 358 | 530 |
| Grade School Educ. | 22.0% | 0.8% | 4.8% |
| Some High School Educ. | 11.5% | 2.7% | 6.3% |
| High School Educ. | 66.5% | 96.5% | 88.9% |
| Some College Educ. | 15.9% | 7.5% | 20.0% |
| 2 yr College Grad. | 7.5% | 5.1% | 8.7% |
| 4 yr College Grad. | 14.9% | 73.8% | 33.7% |
| Masters Grad. | 4.3% | 20.2% | 9.3% |
| Professional Degree | 1.1% | 12.4% | 2.2% |
| Doctorate Degree | 0.4% | 4.0% | 1.5% |