CREATE TABLE table_29981 ("Pick" FLOAT, "Player" TEXT, "Position" TEXT, "Nationality" TEXT, "NHL team" TEXT, "College/junior/club team" TEXT)

Which school players have a number of 255
SELECT "College/junior/club team" FROM table_29981 WHERE "Pick" = '255'
SELECT "College/junior/club team" FROM "table_29981" WHERE "Pick" = '255'