| | Plainfield, NJ | Perth Amboy, NJ | United States |
| Expend. per Student | $23,387 | $21,959 | $15,905 |
| Educ. Expend. per Student | $20,528 | $19,112 | $13,142 |
| Instr. Expend. per Student | $12,582 | $11,585 | $7,999 |
| Pupil/Teacher Ratio | 12.77 | 12.17 | 16.23 |
| Students per Librarian | 1283 | 1452 | 4573 |
| Students per Counselor | 377 | 339 | 530 |
| Grade School Educ. | 13.8% | 18.0% | 4.8% |
| Some High School Educ. | 8.5% | 11.4% | 6.3% |
| High School Educ. | 77.7% | 70.6% | 88.9% |
| Some College Educ. | 15.8% | 16.8% | 20.0% |
| 2 yr College Grad. | 5.8% | 7.1% | 8.7% |
| 4 yr College Grad. | 20.6% | 13.7% | 33.7% |
| Masters Grad. | 4.7% | 2.7% | 9.3% |
| Professional Degree | 1.2% | 0.6% | 2.2% |
| Doctorate Degree | 0.7% | 0.1% | 1.5% |