| Index | New Haven | Iowa | National |
| Average Test Scores | n/a | 69% | 48% |
| Student/Teacher ratio | n/a | 13:1 | 16:1 |
| Total public schools | n/a | 1,101 | 79,221 |
| Total private schools | n/a | 208 | 24,874 |
| Total post-secondary schools | n/a | 96 | 7,963 |

| Index | New Haven | Iowa | National |
| Completed 8th grade | 90.2% | 89.2% | 84.3% |
| Completed high school | 62.3% | 87.7% | 83.0% |
| Completed some college | 41.0% | 59.8% | 59.4% |
| Completed associate degree | 9.8% | 38.4% | 38.5% |
| Completed bachelors | 9.8% | 27.2% | 30.3% |
| Completed masters | 0.0% | 8.7% | 11.5% |
| Completed professional degree | 0.0% | 2.7% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in New Haven. Using the proficiency score averages, the average test scores for New Haven, IA schools is n/a. The average student to teacher ratio is n/a. In New Haven, IA, an average of 90.2% of students have completed 8th grade and an average of 62.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| St. Ansgar, IA | 1,176 | 81% | 69.4% |
| Osage, IA | 3,625 | 70% | 45.1% |
| Riceville, IA | 891 | 63% | 31.8% |
| New Haven, IA | 107 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Purdin, MO | 107 | 50% | 4.2% |
| Laporte, MN | 107 | 36% | 25.5% |
| Moffat, CO | 107 | 27% | 43.8% |
| San Isidro, TX | 107 | 54% | 11.5% |
| Alexandria, MO | 107 | 60% | 25.0% |
| New Haven, IA | 107 | n/a |