| Index | Delhi | Iowa | National |
| Average Test Scores | 90% | 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 | Delhi | Iowa | National |
| Completed 8th grade | 90.4% | 89.2% | 84.3% |
| Completed high school | 89.5% | 87.7% | 83.0% |
| Completed some college | 46.8% | 59.8% | 59.4% |
| Completed associate degree | 30.4% | 38.4% | 38.5% |
| Completed bachelors | 22.5% | 27.2% | 30.3% |
| Completed masters | 5.6% | 8.7% | 11.5% |
| Completed professional degree | 2.9% | 2.7% | 3.3% |
| Completed doctorate | 2.0% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Delhi. Using the proficiency score averages, the average test scores for Delhi, IA schools is 90%. The average student to teacher ratio is n/a. In Delhi, IA, an average of 90.4% of students have completed 8th grade and an average of 89.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Coggon, IA | 743 | 78% | 62.5% |
| Manchester, IA | 5,011 | 77% | 59.7% |
| Monticello, IA | 3,843 | 75% | 56.6% |
| Dyersville, IA | 4,131 | 75% | 55.2% |
| Colesburg, IA | 522 | 65% | 34.4% |
| Delhi, IA | 458 | 90% | 86.8% |
| City | Population | Avg. Test Scores | National Avg. |
| McKean, PA | 458 | 80% | 65.6% |
| Little Rock, IA | 458 | 61% | 27.1% |
| Peachland, NC | 458 | 62% | 28.1% |
| Crawford, CO | 458 | 57% | 18.8% |
| Murray, NE | 458 | 57% | 18.8% |
| Delhi, IA | 458 | 90% | 86.8% |
Here are the best places to live in Iowa
See the best places to live in Delhi
These are the 10 cheapest cities in Iowa
These are the largest cities in Iowa