Authorizing and providing for certain long term charter schools to purchase buildings and land for school purposes with the approval of the commissioner of children, families and learning, requiring submission of a detailed description of the existing or proposed facility to the commissioner; providing building aid for charter schools not accepting building lease aid, specifying certain duties of the commissioner and certain authorized uses of the aid; requiring charter schools owning land or buildings to develop a plan to dispose of the land or buildings upon school closure (ra)