| Index | Northfield | Kentucky | National |
| Average Test Scores | n/a | 48% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 1,157 | 79,221 |
| Total private schools | n/a | 298 | 24,874 |
| Total post-secondary schools | n/a | 130 | 7,963 |

| Index | Northfield | Kentucky | National |
| Completed 8th grade | 95.6% | 81.0% | 84.3% |
| Completed high school | 93.9% | 77.8% | 83.0% |
| Completed some college | 84.7% | 51.3% | 59.4% |
| Completed associate degree | 60.3% | 30.5% | 38.5% |
| Completed bachelors | 55.4% | 22.7% | 30.3% |
| Completed masters | 18.5% | 9.3% | 11.5% |
| Completed professional degree | 7.4% | 2.6% | 3.3% |
| Completed doctorate | 2.6% | 0.9% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Northfield. Using the proficiency score averages, the average test scores for Northfield, KY schools is n/a. The average student to teacher ratio is n/a. In Northfield, KY, an average of 95.6% of students have completed 8th grade and an average of 93.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Anchorage, KY | 2,450 | 86% | 79.2% |
| Goshen, KY | 947 | 74% | 54.5% |
| Prospect, KY | 5,071 | 73% | 51.0% |
| Crestwood, KY | 5,222 | 65% | 35.4% |
| Middletown, KY | 8,048 | 58% | 20.8% |
| Northfield, KY | 1,296 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Riley, KS | 1,296 | 46% | 5.2% |
| Carey, ID | 1,296 | 62% | 29.2% |
| Grace, ID | 1,296 | 58% | 21.4% |
| Renville, MN | 1,297 | 47% | 2.1% |
| Marissa, IL | 1,297 | 23% | 51.6% |
| Northfield, KY | 1,296 | n/a |