Dorm rooms can be reserved and paid for here ($60 single occupancy, $45/per person double occupancy). Link will take you to an Alma College website.

https://campscui.active.com/orgs/AlmaCollege1?season=3212743&session=59299233

Note: There are also a few hotel options within the City of Alma, feel free to check any online booking site, but there are no discount codes associated with the MPS conference this year.