| Index | Colonia | New Jersey | National |
| Average Test Scores | 52% | 52% | 48% |
| Student/Teacher ratio | 15:1 | 13:1 | 16:1 |
| Total public schools | 6 | 1,604 | 79,221 |
| Total private schools | 1 | 823 | 24,874 |
| Total post-secondary schools | n/a | 157 | 7,963 |
| Index | Colonia | New Jersey | National |
| Completed 8th grade | 90.9% | 87.5% | 84.3% |
| Completed high school | 90.3% | 86.3% | 83.0% |
| Completed some college | 58.9% | 60.7% | 59.4% |
| Completed associate degree | 41.9% | 43.9% | 38.5% |
| Completed bachelors | 34.5% | 37.5% | 30.3% |
| Completed masters | 12.8% | 14.4% | 11.5% |
| Completed professional degree | 3.4% | 4.0% | 3.3% |
| Completed doctorate | 0.9% | 1.5% | 1.3% |
There are a total of 6 public schools, 1 private schools and n/a post-secondary schools in Colonia. Using the proficiency score averages, the average test scores for Colonia, NJ schools is 52%. The average student to teacher ratio is 15:1. In Colonia, NJ, an average of 90.9% of students have completed 8th grade and an average of 90.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Short Hills, NJ | 13,700 | 83% | 73.8% |
| Summit, NJ | 21,913 | 81% | 69.3% |
| New Providence, NJ | 13,382 | 80% | 66.4% |
| Chatham, NJ | 8,729 | 79% | 64.9% |
| Glen Ridge, NJ | 7,583 | 79% | 64.6% |
| Colonia, NJ | 17,782 | 52% | 8.5% |
| City | Population | Avg. Test Scores | National Avg. |
| West Columbia, SC | 17,782 | 45% | 6.9% |
| Franklin Park, IL | 17,779 | 37% | 23.1% |
| Selma, AL | 17,762 | 25% | 47.4% |
| Albert Lea, MN | 17,804 | 44% | 8.2% |
| Portland, TX | 17,807 | 53% | 11.0% |
| Colonia, NJ | 17,782 | 52% | 8.5% |
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