Exit 189 off of IH 35 North . Left onto Loop 337 heading west. At second light make right onto IH Business 35. CHMS sits at the corner of Loop 337 and IH Business 35. Exit 190B off of IH 35 South . Stay on IH Business 35. School is on right past the Comal ISD Central Office and before the intersection of Loop 337 and IH Business 35.