By Bobby Harrison Daily Journal Jackson Bureau JACKSON – The Mississippi Senate concluded the 2015 session Wednesday, but the House will return for at least one more day. The House must deal with legislation that would impose penalties on school administrators if their schools cheat on standardized tests and a bill that would remove civil service protection for the Department of Corrections. While the House can pass those proposals Thursday, the Legislature will adjourn for the year without the broad-based tax cut touted by Gov.