| Index | Sac City | Iowa | National |
| Average Test Scores | 59% | 69% | 48% |
| Student/Teacher ratio | 10:1 | 13:1 | 16:1 |
| Total public schools | 3 | 1,101 | 79,221 |
| Total private schools | n/a | 208 | 24,874 |
| Total post-secondary schools | n/a | 96 | 7,963 |


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| Index | Sac City | Iowa | National |
| Completed 8th grade | 89.1% | 89.2% | 84.3% |
| Completed high school | 87.6% | 87.7% | 83.0% |
| Completed some college | 55.8% | 59.8% | 59.4% |
| Completed associate degree | 31.2% | 38.4% | 38.5% |
| Completed bachelors | 18.9% | 27.2% | 30.3% |
| Completed masters | 6.0% | 8.7% | 11.5% |
| Completed professional degree | 0.8% | 2.7% | 3.3% |
| Completed doctorate | 0.2% | 1.1% | 1.3% |
There are a total of 3 public schools, n/a private schools and n/a post-secondary schools in Sac City. Using the proficiency score averages, the average test scores for Sac City, IA schools is 59%. The average student to teacher ratio is 10:1. In Sac City, IA, an average of 89.1% of students have completed 8th grade and an average of 87.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lake City, IA | 1,788 | 90% | 86.5% |
| Lake View, IA | 966 | 80% | 66.7% |
| Odebolt, IA | 894 | 75% | 56.8% |
| Early, IA | 772 | 72% | 50.0% |
| Wall Lake, IA | 788 | 70% | 44.8% |
| Sac City, IA | 1,929 | 59% | 21.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Baldwin, LA | 1,929 | 59% | 23.3% |
| San Augustine, TX | 1,929 | 27% | 44.4% |
| Brooklawn, NJ | 1,930 | 36% | 25.0% |
| Mill City, OR | 1,928 | 37% | 22.2% |
| Cairo, IL | 1,928 | 6% | 88.0% |
| Sac City, IA | 1,929 | 59% | 21.9% |