Collins is recalling certain model year 2012 Collins, Mid-Bus, or Corbeil SL, SH, DH, and DE model school and multi-function school activity buses manufacturer from March 15, 2012, through October 30, 2012, equipped with Spectal split sash emergency egress windows. The split sash windows fail to conform to the requirements of Federal Motor Vehicle Safety Standard No. 217, “Bus Emergency Exits and Window Retention and Release.” The windows may have an improperly installed retainer bar, insufficient strength of the egress window latch connecting rod, and/or missing or failed window fasteners.