| Index | Blackwells Mills | New Jersey | National |
| Average Test Scores | n/a | 52% | 48% |
| Student/Teacher ratio | n/a | 13:1 | 16:1 |
| Total public schools | n/a | 1,604 | 79,221 |
| Total private schools | n/a | 823 | 24,874 |
| Total post-secondary schools | n/a | 157 | 7,963 |
| Index | Blackwells Mills | New Jersey | National |
| Completed 8th grade | 100.0% | 87.5% | 84.3% |
| Completed high school | 100.0% | 86.3% | 83.0% |
| Completed some college | 97.4% | 60.7% | 59.4% |
| Completed associate degree | 74.7% | 43.9% | 38.5% |
| Completed bachelors | 74.7% | 37.5% | 30.3% |
| Completed masters | 17.2% | 14.4% | 11.5% |
| Completed professional degree | 3.9% | 4.0% | 3.3% |
| Completed doctorate | 3.9% | 1.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Blackwells Mills. Using the proficiency score averages, the average test scores for Blackwells Mills, NJ schools is n/a. The average student to teacher ratio is n/a. In Blackwells Mills, NJ, an average of 100.0% of students have completed 8th grade and an average of 100.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Cranbury, NJ | 2,213 | 81% | 68.8% |
| Bradley Gardens, NJ | 14,714 | 81% | 68.2% |
| New Providence, NJ | 13,382 | 80% | 66.4% |
| Plainsboro Center, NJ | 2,715 | 77% | 60.4% |
| Mountainside, NJ | 6,859 | 77% | 60.4% |
| Blackwells Mills, NJ | 9,509 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Reedsburg, WI | 9,508 | 38% | 21.9% |
| White City, OR | 9,506 | 27% | 44.3% |
| Winslow, AZ | 9,505 | 23% | 51.4% |
| DuPont, WA | 9,514 | 61% | 26.0% |
| Lititz, PA | 9,503 | 63% | 31.7% |
| Blackwells Mills, NJ | 9,509 | n/a |
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