| Index | St. Helena | Nebraska | National |
| Average Test Scores | n/a | 53% | 48% |
| Student/Teacher ratio | n/a | 13:1 | 16:1 |
| Total public schools | n/a | 780 | 79,221 |
| Total private schools | n/a | 182 | 24,874 |
| Total post-secondary schools | n/a | 56 | 7,963 |
| Index | St. Helena | Nebraska | National |
| Completed 8th grade | 91.7% | 88.4% | 84.3% |
| Completed high school | 83.3% | 87.2% | 83.0% |
| Completed some college | 25.0% | 63.7% | 59.4% |
| Completed associate degree | 14.6% | 40.1% | 38.5% |
| Completed bachelors | 12.5% | 30.0% | 30.3% |
| Completed masters | 4.2% | 9.9% | 11.5% |
| Completed professional degree | 2.1% | 2.9% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in St. Helena. Using the proficiency score averages, the average test scores for St. Helena, NE schools is n/a. The average student to teacher ratio is n/a. In St. Helena, NE, an average of 91.7% of students have completed 8th grade and an average of 83.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Crofton, NE | 898 | 58% | 21.4% |
| Hartington, NE | 1,522 | 55% | 13.5% |
| Yankton, SD | 14,619 | 53% | 10.9% |
| Wynot, NE | 252 | 52% | 7.6% |
| Utica, SD | 56 | 50% | 4.2% |
| St. Helena, NE | 94 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Crystal, ND | 94 | 55% | 14.6% |
| Boon, MI | 93 | 47% | 2.1% |
| Diomede, AK | 93 | 50% | 4.2% |
| Alder, MT | 93 | 50% | 4.2% |
| Turner, MT | 95 | 50% | 4.2% |
| St. Helena, NE | 94 | n/a |
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