Requiring school boards to allow resident charter school students to +fully participate in extracurricular activities upon student meeting of +charter school academic and conduct requirements; authorizing school +districts to charge charter schools the proportional share of costs associated +with extracurricular activities not covered by student fees; authorizing +the department of education to sponsor charter schools and authorizing +the commissioner of education to approve a certain number of charitable organizations as sponsors, specifying certain proposal content +requirements; modifying certain charter school board membership requirements +relating to teachers; requiring certain newly formed charter schools to submit +school calendars to the department for state aid eligibility purposes (ra)