| Index | Spearfish | South Dakota | National |
| Average Test Scores | 51% | 48% | 48% |
| Student/Teacher ratio | 16:1 | 14:1 | 16:1 |
| Total public schools | 4 | 340 | 79,221 |
| Total private schools | n/a | 76 | 24,874 |
| Total post-secondary schools | 1 | 25 | 7,963 |
| Index | Spearfish | South Dakota | National |
| Completed 8th grade | 94.8% | 89.1% | 84.3% |
| Completed high school | 93.1% | 86.8% | 83.0% |
| Completed some college | 66.2% | 60.4% | 59.4% |
| Completed associate degree | 43.5% | 38.5% | 38.5% |
| Completed bachelors | 33.0% | 27.5% | 30.3% |
| Completed masters | 10.9% | 8.1% | 11.5% |
| Completed professional degree | 3.9% | 2.5% | 3.3% |
| Completed doctorate | 2.7% | 1.2% | 1.3% |
There are a total of 4 public schools, n/a private schools and 1 post-secondary schools in Spearfish. Using the proficiency score averages, the average test scores for Spearfish, SD schools is 51%. The average student to teacher ratio is 16:1. In Spearfish, SD, an average of 94.8% of students have completed 8th grade and an average of 93.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Whitewood, SD | 1,014 | 60% | 25.0% |
| Sturgis, SD | 7,137 | 56% | 15.8% |
| Belle Fourche, SD | 5,832 | 45% | 6.5% |
| Deadwood, SD | 1,630 | 40% | 17.7% |
| Lead, SD | 3,089 | 35% | 27.6% |
| Spearfish, SD | 12,076 | 51% | 6.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Florham Park, NJ | 12,075 | 74% | 53.6% |
| Bogalusa, LA | 12,080 | 42% | 12.8% |
| Portales, NM | 12,084 | 30% | 38.0% |
| Oskaloosa, IA | 12,090 | 64% | 32.3% |
| El Campo, TX | 12,061 | 43% | 9.9% |
| Spearfish, SD | 12,076 | 51% | 6.9% |
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