This series consists of decimal correspondence files. The records include correspondence; memorandums; reports; instructions; orders; circulars; endorsements; telegrams; contract specifications for school buildings; attendance records; school calendars; enrollment applications; and social surveys. The records provide information on a wide range of subjects related to the daily administration of Wahpeton Indian School, including employees, livestock, safety inspections, finance, health, basketball, school plays, church memberships, awards, clubs, curriculum planning, and the school farm. The records include lists of students from various agencies who were attending the school.