| Index | Milltown | New Jersey | National |
| Average Test Scores | 59% | 52% | 48% |
| Student/Teacher ratio | 12:1 | 13:1 | 16:1 |
| Total public schools | 2 | 1,604 | 79,221 |
| Total private schools | 3 | 823 | 24,874 |
| Total post-secondary schools | n/a | 157 | 7,963 |
| Index | Milltown | New Jersey | National |
| Completed 8th grade | 92.0% | 87.5% | 84.3% |
| Completed high school | 92.0% | 86.3% | 83.0% |
| Completed some college | 70.7% | 60.7% | 59.4% |
| Completed associate degree | 52.7% | 43.9% | 38.5% |
| Completed bachelors | 45.3% | 37.5% | 30.3% |
| Completed masters | 11.0% | 14.4% | 11.5% |
| Completed professional degree | 2.5% | 4.0% | 3.3% |
| Completed doctorate | 1.1% | 1.5% | 1.3% |
There are a total of 2 public schools, 3 private schools and n/a post-secondary schools in Milltown. Using the proficiency score averages, the average test scores for Milltown, NJ schools is 59%. The average student to teacher ratio is 12:1. In Milltown, NJ, an average of 92.0% of students have completed 8th grade and an average of 92.0% 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% |
| Plainsboro Center, NJ | 2,715 | 77% | 60.4% |
| Skillman, NJ | 476 | 77% | 60.2% |
| Yorketown, NJ | 6,739 | 77% | 60.2% |
| Milltown, NJ | 6,973 | 59% | 23.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Decatur, TX | 6,976 | 45% | 5.7% |
| Benton, IL | 6,977 | 27% | 44.4% |
| Stratford, NJ | 6,968 | 53% | 9.4% |
| Oak Ridge, NC | 6,979 | 75% | 55.2% |
| Old Greenwich, CT | 6,980 | 87% | 80.2% |
| Milltown, NJ | 6,973 | 59% | 23.4% |
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