Originally a boxcar school, Sioux Valley school (also known as the Heikens school) was later made into a square school. After the school closed, there is no record of what happened to either building.
| Official School Name | Summit Township #3 |
|---|---|
| Parochial School Name | Sioux Valley School |
| When Built | Around 1887 |
| When Closed | Around 1940 |
| Current Use | Unknown |
| Consolidated into... |