To investigate the background characteristics, attitudes and goals of Essex undergraduate students on entry, and to follow up these data with data on the reactions of graduating students to their experience of university and their responses to certain questions on political and religious attitudes that might have been expected to change and for which data were collected when they entered. Variables This is the third in the series dealing with undergraduate entrants. The reader is referred to the discussion of the 1964 and 1965 studies. The study is broadly comparable to both previous studies, although the format of some areas has been changed, and there is a return to five occupational categories as in the first in the series.