| | Elkridge, MD | Groton, CT | United States |
| Expend. per Student | $17,912 | $26,209 | $15,905 |
| Educ. Expend. per Student | $16,615 | $21,083 | $13,142 |
| Instr. Expend. per Student | $11,381 | $12,420 | $7,999 |
| Pupil/Teacher Ratio | 13.46 | 11.7 | 16.23 |
| Students per Librarian | 363 | 403 | 4573 |
| Students per Counselor | 331 | 331 | 530 |
| Grade School Educ. | 2.1% | 2.6% | 4.8% |
| Some High School Educ. | 4.1% | 3.4% | 6.3% |
| High School Educ. | 93.9% | 94.0% | 88.9% |
| Some College Educ. | 16.5% | 22.2% | 20.0% |
| 2 yr College Grad. | 5.8% | 8.2% | 8.7% |
| 4 yr College Grad. | 54.0% | 38.6% | 33.7% |
| Masters Grad. | 19.2% | 12.6% | 9.3% |
| Professional Degree | 2.3% | 2.5% | 2.2% |
| Doctorate Degree | 2.3% | 2.2% | 1.5% |