| | Wellesley, MA | Arlington, MA | United States |
| Expend. per Student | $22,685 | $23,560 | $15,905 |
| Educ. Expend. per Student | $18,734 | $19,196 | $13,142 |
| Instr. Expend. per Student | $11,795 | $12,141 | $7,999 |
| Pupil/Teacher Ratio | 12.68 | 11.99 | 16.23 |
| Students per Librarian | 353 | 354 | 4573 |
| Students per Counselor | 308 | 331 | 530 |
| Grade School Educ. | 0.9% | 1.3% | 4.8% |
| Some High School Educ. | 1.1% | 1.4% | 6.3% |
| High School Educ. | 98.1% | 97.3% | 88.9% |
| Some College Educ. | 5.5% | 8.5% | 20.0% |
| 2 yr College Grad. | 2.9% | 4.0% | 8.7% |
| 4 yr College Grad. | 84.9% | 74.2% | 33.7% |
| Masters Grad. | 30.6% | 28.6% | 9.3% |
| Professional Degree | 13.5% | 5.9% | 2.2% |
| Doctorate Degree | 8.3% | 8.3% | 1.5% |