| | Plymouth, MA | Erie, PA | United States |
| Expend. per Student | $18,961 | $17,637 | $15,905 |
| Educ. Expend. per Student | $16,727 | $13,944 | $13,142 |
| Instr. Expend. per Student | $10,526 | $8,721 | $7,999 |
| Pupil/Teacher Ratio | 13.09 | 13.16 | 16.23 |
| Students per Librarian | 529 | 591 | 4573 |
| Students per Counselor | 409 | 360 | 530 |
| Grade School Educ. | 1.5% | 4.7% | 4.8% |
| Some High School Educ. | 3.1% | 8.4% | 6.3% |
| High School Educ. | 95.4% | 86.9% | 88.9% |
| Some College Educ. | 17.5% | 17.3% | 20.0% |
| 2 yr College Grad. | 11.1% | 8.8% | 8.7% |
| 4 yr College Grad. | 41.7% | 22.2% | 33.7% |
| Masters Grad. | 12.8% | 5.3% | 9.3% |
| Professional Degree | 1.8% | 0.9% | 2.2% |
| Doctorate Degree | 1.0% | 0.8% | 1.5% |