| | Plainfield, CT | United States, CT |
| Expend. per Student | $24,734 | $15,905 |
| Educ. Expend. per Student | $20,621 | $13,142 |
| Instr. Expend. per Student | $11,348 | $7,999 |
| Pupil/Teacher Ratio | 12.35 | 16.23 |
| Students per Librarian | 518 | 4573 |
| Students per Counselor | 288 | 530 |
| Grade School Educ. | 2.4% | 4.8% |
| Some High School Educ. | 7.6% | 6.3% |
| High School Educ. | 90.0% | 88.9% |
| Some College Educ. | 20.8% | 20.0% |
| 2 yr College Grad. | 13.7% | 8.7% |
| 4 yr College Grad. | 14.5% | 33.7% |
| Masters Grad. | 3.7% | 9.3% |
| Professional Degree | 0.0% | 2.2% |
| Doctorate Degree | 0.2% | 1.5% |