| | Denville, NJ | Groton, MA | United States |
| Expend. per Student | $25,345 | $23,560 | $15,905 |
| Educ. Expend. per Student | $21,726 | $19,196 | $13,142 |
| Instr. Expend. per Student | $12,682 | $12,141 | $7,999 |
| Pupil/Teacher Ratio | 10.9 | 11.99 | 16.23 |
| Students per Librarian | 685 | 354 | 4573 |
| Students per Counselor | 254 | 331 | 530 |
| Grade School Educ. | 1.6% | 1.4% | 4.8% |
| Some High School Educ. | 2.0% | 2.0% | 6.3% |
| High School Educ. | 96.4% | 96.6% | 88.9% |
| Some College Educ. | 14.9% | 12.0% | 20.0% |
| 2 yr College Grad. | 5.5% | 5.0% | 8.7% |
| 4 yr College Grad. | 58.7% | 64.6% | 33.7% |
| Masters Grad. | 18.9% | 21.9% | 9.3% |
| Professional Degree | 3.9% | 4.0% | 2.2% |
| Doctorate Degree | 2.3% | 3.5% | 1.5% |