| | Charlton, MA | Glendale, AZ | United States |
| Expend. per Student | $19,742 | $10,564 | $15,905 |
| Educ. Expend. per Student | $16,667 | $8,653 | $13,142 |
| Instr. Expend. per Student | $10,582 | $4,810 | $7,999 |
| Pupil/Teacher Ratio | 12.69 | 18.24 | 16.23 |
| Students per Librarian | 464 | 2348 | 4573 |
| Students per Counselor | 379 | 718 | 530 |
| Grade School Educ. | 0.8% | 7.3% | 4.8% |
| Some High School Educ. | 3.8% | 9.2% | 6.3% |
| High School Educ. | 95.3% | 83.5% | 88.9% |
| Some College Educ. | 16.7% | 23.7% | 20.0% |
| 2 yr College Grad. | 9.7% | 9.2% | 8.7% |
| 4 yr College Grad. | 38.0% | 22.1% | 33.7% |
| Masters Grad. | 13.0% | 6.2% | 9.3% |
| Professional Degree | 1.0% | 1.2% | 2.2% |
| Doctorate Degree | 0.6% | 0.8% | 1.5% |