Fresh produce from more than 40 Chicago Public Schools school gardens cannot be served in the schools' cafeterias because of rules established by the district and dining services provider Chartwells-Thompson, reports the Chicago Tribune. Instead, the bounty is either sold or given to the students to take home. The rules preventing the serving of the produce in the schools has to do with the use of insecticides and pesticides. Only school garden product grown using "commercially prepared organic compost and fertilizers are permitted.