The Raytown School District has cancelled all classes Monday because of a widespread flu outbreak. The Raytown School District has 18 schools and an enrollment of about 8,800 students.

Attendance at Little Blue Elementary was 65% on Friday, significantly lower than the typical 93% attendance.

Staff members in the district have also been affected.

School officials will spend the day Monday cleaning and disinfecting all of the schools and school buses in the district.