CREATE TABLE table_14601528_2 (class_aA VARCHAR(255), class_aAA VARCHAR(255), Bridgeport VARCHAR(255), school_year VARCHAR(255))
Name the number of class aa for bridgeport and 1999-2000
    
SQL: SELECT COUNT(class_aA) FROM table_14601528_2 WHERE class_aAA = Bridgeport AND school_year = "1999-2000"