Data from the files of 1,417 students who were registered in correspondence courses at the NKI School in Norway from 1967-1968 were analyzed to acquire a general view of some problem areas in correspondence instruction. The areas of focus were recruitment, persistence, students' reasons for discontinuance, and correlations between background and criterion variables. The findings include the following: persons enrolling to attend home study courses at the NKI School appear to be in a situation of prolonged period of study; for most of the students, a relatively small number of years have elapsed since their last school experience; NKI School attracts most students from towns and industrial areas while rural areas are underrepresented; the student body consists practically of male students only; generally, the discontinuance rate is high; no relations were found between discontinuance and domestic background; discontinuance is most frequent in the preliminary stages of the course; discontinuance reaches its peak rates during the months April to July; and there are clear relations between the background variables of age, previous education, and number of years since the last school experience and important criterion variables regarding study progress and accomplishments. (EM)