Blame it on Rosova, I looked. The only mention I find of "10 days" (or more).
http://archive.flsenate.gov/statutes...atuteYear=2011
Suspension proceedings, pursuant to rules of the State Board of Education, may be initiated against any enrolled student who is formally charged with a felony, or with a delinquent act which would be a felony if committed by an adult, by a proper prosecuting attorney for an incident which allegedly occurred on property other than public school property, if that incident is shown, in an administrative hearing with notice provided to the parents of the student by the principal of the school pursuant to rules adopted by the State Board of Education and to rules developed pursuant to s. 1001.54, to have an adverse impact on the educational program, discipline, or welfare in the school in which the student is enrolled. Any student who is suspended as the result of such proceedings may be suspended from all classes of instruction on public school grounds during regular classroom hours for a period of time, which may exceed 10 days as determined by the district school superintendent. ,
Does that apply in Trayvon's case? His suspension did not exceed 10 days...