| | Wales, MA | Chelmsford, MA | United States |
| Expend. per Student | $21,412 | $23,560 | $15,905 |
| Educ. Expend. per Student | $17,553 | $19,196 | $13,142 |
| Instr. Expend. per Student | $10,506 | $12,141 | $7,999 |
| Pupil/Teacher Ratio | 11.52 | 11.99 | 16.23 |
| Students per Librarian | 522 | 354 | 4573 |
| Students per Counselor | 319 | 331 | 530 |
| Grade School Educ. | 1.1% | 1.2% | 4.8% |
| Some High School Educ. | 5.8% | 2.1% | 6.3% |
| High School Educ. | 93.1% | 96.7% | 88.9% |
| Some College Educ. | 18.1% | 15.9% | 20.0% |
| 2 yr College Grad. | 13.1% | 9.8% | 8.7% |
| 4 yr College Grad. | 26.8% | 53.3% | 33.7% |
| Masters Grad. | 4.4% | 18.7% | 9.3% |
| Professional Degree | 5.1% | 2.2% | 2.2% |
| Doctorate Degree | 1.3% | 2.3% | 1.5% |