This study is on the examination of a battery developed to aid managers and personnel directors in selecting persons with the aptitudes for computer programmer and system analyst positions. It comprises five separately timed tests, measuring the following skills and aptitudes: verbal meaning, reasoning, letter series, number ability, and diagramming. Two Vancouver secondary school teachers administered the Computer Programmer Aptitude Battery (CPAB) to their computer science classes. This study is an examination of those results compared with two other groups for which published norms were available: a group of computer trainees and applicants, and a group of experienced computer programmers and systems analysts. Considering the age and degree of programming experience of those involved, the performance of the computer science students on the CPAB was impressive. They scored well above the average of both more experienced groups. However, the results may be distorted since one of the high school groups was given 25% more time than that specified in the test manual. A more valid comparison of performance could be attained if the test were given to a class whose members shared similar programming experience. (RC)