| | Selden, NY | Baltimore, MD | United States |
| Expend. per Student | $30,219 | $20,804 | $15,905 |
| Educ. Expend. per Student | $26,965 | $16,085 | $13,142 |
| Instr. Expend. per Student | $18,018 | $10,231 | $7,999 |
| Pupil/Teacher Ratio | 12.27 | 15.21 | 16.23 |
| Students per Librarian | 1114 | 1384 | 4573 |
| Students per Counselor | 356 | 535 | 530 |
| Grade School Educ. | 3.0% | 4.1% | 4.8% |
| Some High School Educ. | 3.6% | 9.6% | 6.3% |
| High School Educ. | 93.4% | 86.3% | 88.9% |
| Some College Educ. | 20.5% | 18.8% | 20.0% |
| 2 yr College Grad. | 10.4% | 5.2% | 8.7% |
| 4 yr College Grad. | 26.5% | 34.2% | 33.7% |
| Masters Grad. | 8.4% | 11.3% | 9.3% |
| Professional Degree | 1.5% | 3.2% | 2.2% |
| Doctorate Degree | 0.3% | 2.5% | 1.5% |