CREATE TABLE table_23893 ("School" TEXT, "Location ( s ) " TEXT, "Control" TEXT, "Type" TEXT, "Enrollment  ( 2009 ) " FLOAT, "Founded" FLOAT)

Is art school public or private?
SELECT "Control" FROM table_23893 WHERE "Type" = 'Art school'
SELECT "Control" FROM "table_23893" WHERE "Type" = 'Art school'