| Index | Holy Cross | 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 | Holy Cross | Iowa | National |
| Completed 8th grade | 96.6% | 89.2% | 84.3% |
| Completed high school | 89.7% | 87.7% | 83.0% |
| Completed some college | 46.4% | 59.8% | 59.4% |
| Completed associate degree | 28.8% | 38.4% | 38.5% |
| Completed bachelors | 10.7% | 27.2% | 30.3% |
| Completed masters | 3.9% | 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 Holy Cross. Using the proficiency score averages, the average test scores for Holy Cross, IA schools is n/a. The average student to teacher ratio is n/a. In Holy Cross, IA, an average of 96.6% of students have completed 8th grade and an average of 89.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Peosta, IA | 2,010 | 87% | 81.3% |
| Epworth, IA | 1,843 | 83% | 72.9% |
| Farley, IA | 1,793 | 81% | 68.2% |
| Dyersville, IA | 4,271 | 75% | 55.2% |
| Guttenberg, IA | 1,754 | 70% | 45.8% |
| Holy Cross, IA | 316 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Kinderhook, IL | 316 | 27% | 43.8% |
| Litchfield, NE | 316 | 45% | 6.3% |
| Gallina, NM | 316 | 29% | 39.2% |
| Clifton, VA | 316 | 89% | 84.7% |
| Surrency, GA | 315 | 52% | 8.3% |
| Holy Cross, IA | 316 | n/a |