| | Merrimack, NH | Londonderry, NH | United States |
| Expend. per Student | $16,879 | $22,056 | $15,905 |
| Educ. Expend. per Student | $15,747 | $19,034 | $13,142 |
| Instr. Expend. per Student | $9,989 | $12,039 | $7,999 |
| Pupil/Teacher Ratio | 12.2 | 11.7 | 16.23 |
| Students per Librarian | 415 | 333 | 4573 |
| Students per Counselor | 220 | 210 | 530 |
| Grade School Educ. | 1.1% | 1.0% | 4.8% |
| Some High School Educ. | 2.4% | 1.6% | 6.3% |
| High School Educ. | 96.5% | 97.4% | 88.9% |
| Some College Educ. | 17.2% | 17.5% | 20.0% |
| 2 yr College Grad. | 12.3% | 10.9% | 8.7% |
| 4 yr College Grad. | 48.1% | 47.7% | 33.7% |
| Masters Grad. | 14.4% | 14.0% | 9.3% |
| Professional Degree | 1.6% | 1.9% | 2.2% |
| Doctorate Degree | 2.4% | 1.2% | 1.5% |