TO APPLY, you must go to the Illinois State Police Merit Board website, www.illinoistrooper.com. Applications close on February 1, 2026. Lateral In-House Training Program. The Illinois State Police (ISP) is seeking applicants in geographically selected locations across the state for Cadet Class 154b as part of the Lateral (In-House) Training Program. This program provides an opportunity for current certified police officers to become Illinois Sta...
