| | Derry, NH | Mercer, PA | United States |
| Expend. per Student | $22,056 | $20,180 | $15,905 |
| Educ. Expend. per Student | $19,034 | $16,564 | $13,142 |
| Instr. Expend. per Student | $12,039 | $10,876 | $7,999 |
| Pupil/Teacher Ratio | 11.7 | 12.5 | 16.23 |
| Students per Librarian | 333 | 517 | 4573 |
| Students per Counselor | 210 | 301 | 530 |
| Grade School Educ. | 1.0% | 2.5% | 4.8% |
| Some High School Educ. | 6.0% | 11.8% | 6.3% |
| High School Educ. | 93.0% | 85.7% | 88.9% |
| Some College Educ. | 19.3% | 14.0% | 20.0% |
| 2 yr College Grad. | 10.3% | 15.1% | 8.7% |
| 4 yr College Grad. | 31.6% | 21.2% | 33.7% |
| Masters Grad. | 8.6% | 6.6% | 9.3% |
| Professional Degree | 0.7% | 1.6% | 2.2% |
| Doctorate Degree | 0.9% | 1.0% | 1.5% |