| Index | Johnson Siding | South Dakota | National |
| Average Test Scores | n/a | 48% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 340 | 79,221 |
| Total private schools | n/a | 76 | 24,874 |
| Total post-secondary schools | n/a | 25 | 7,963 |
| Index | Johnson Siding | South Dakota | National |
| Completed 8th grade | 82.8% | 89.1% | 84.3% |
| Completed high school | 79.7% | 86.8% | 83.0% |
| Completed some college | 62.0% | 60.4% | 59.4% |
| Completed associate degree | 33.9% | 38.5% | 38.5% |
| Completed bachelors | 26.5% | 27.5% | 30.3% |
| Completed masters | 1.6% | 8.1% | 11.5% |
| Completed professional degree | 0.0% | 2.5% | 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 Johnson Siding. Using the proficiency score averages, the average test scores for Johnson Siding, SD schools is n/a. The average student to teacher ratio is n/a. In Johnson Siding, SD, an average of 82.8% of students have completed 8th grade and an average of 79.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Hill City, SD | 587 | 62% | 29.5% |
| Summerset, SD | 2,607 | 57% | 17.7% |
| Piedmont, SD | 1,188 | 47% | 2.1% |
| Rapid City, SD | 76,541 | 45% | 6.5% |
| Blackhawk, SD | 3,029 | 42% | 12.5% |
| Johnson Siding, SD | 658 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Scotland, SD | 658 | 41% | 15.6% |
| Marshall, NC | 658 | 55% | 13.8% |
| Alma, WI | 658 | 40% | 17.2% |
| Melba, ID | 658 | 46% | 3.6% |
| Marengo, IN | 658 | 53% | 10.4% |
| Johnson Siding, SD | 658 | n/a |
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