The Association Began In 1949 As The Private Schools Association Of Dade County And Was Incorporated As A Non-Profit Organization In 1958. AISF Schools Serve More Than 25,000 Students In Various Programs: Traditional And Montessori; Boarding And Day; Pre-School, Kindergarten, Elementary, And Secondary; Special Learning Needs; Experimental; Religious, Non-Sectarian, Non-Denominational; And College Preparatory.