| | Yorktown, NY | Armonk, NY | United States |
| Expend. per Student | $31,362 | $31,362 | $15,905 |
| Educ. Expend. per Student | $27,367 | $27,367 | $13,142 |
| Instr. Expend. per Student | $18,180 | $18,180 | $7,999 |
| Pupil/Teacher Ratio | 12.74 | 12.74 | 16.23 |
| Students per Librarian | 932 | 932 | 4573 |
| Students per Counselor | 315 | 315 | 530 |
| Grade School Educ. | 2.6% | 0.9% | 4.8% |
| Some High School Educ. | 3.4% | 2.1% | 6.3% |
| High School Educ. | 94.1% | 97.0% | 88.9% |
| Some College Educ. | 15.0% | 3.9% | 20.0% |
| 2 yr College Grad. | 7.9% | 7.6% | 8.7% |
| 4 yr College Grad. | 54.5% | 78.2% | 33.7% |
| Masters Grad. | 18.8% | 24.7% | 9.3% |
| Professional Degree | 5.0% | 10.2% | 2.2% |
| Doctorate Degree | 1.8% | 3.7% | 1.5% |