IOWA
Oakland
Ocheyedan
Odebolt
Oelwein
Ogden
Olaf
Olds '10
Olds '13
Olin
Olin
Onowa
Oran
Orient
Osage
Osceola
Ossian
Otho
Oto
Ottosen
Owasa
Oxford
Oyens
Packard
Packwood
Palmer
Panama
Paullina
Percival
Petersburg (south)
Petersburg
Peterson
Pickering
Pierson
Pioneer
Plainfield
Pleasantville
Plover
Plymouth
Pocahontas
Pomeroy
Portland
Postville
Portsmouth
Prairie City
Prairie City West
Prescott
Primghar
Radcliffe
Rake
Rake
Raleigh
Ralston
Randall
Randolph
Rands
Readlyn
Red Oak
Reasoner
Reinbeck
Rembrandt
Remsen
Renwick
Riceville
Richards
Ridgeway
Rinard
Ringsted
Rippey
Ritter
Riverside
Riverton
River Sioux
Rockford
Rock Rapids
Rockwell
Rockwell City
Rodman
Roelyn
Roland
Rolfe
Ross
Rossie
Rowan
Rowley
Royal '04
Royal '15
Rudd
Runnells
Russell
Ruthven
Rutland
Ryan