An exploratory study of Board-Registered School Subjects was undertaken in 1989 to investigate the impact of this category of subjects on the curriculum for Year 11 and 12 students in Queensland secondary schools. The study was undertaken at two levels -the Systems and the Schools levels. At the Systems level, analysis of Reports and other documents was supplemented by interviews with key personnel in the education authorities. The segment at the Schools level consisted of interviews with administrators or teachers in ten schools in South East Queensland and a small student survey. Board-Registered School Subjects, first developed in that State in 1982, broadened the Senior curriculum from its traditionally academic base. The development of this category of subjects also heralded the beginnings of school based curriculum development in many secondary schools in that State. However, in the latter years of the 1980's, policies and syllabuses developed by the Queensland Department of Education indicate that a shift to systems based curriculum development is probable in the 1990's. Four sub-categories of Board-Registered School Subjects were identified in the sample schools. These were alternatives to core subjects, such as English and Mathematics, vocationally oriented subjects, those related to life/leisure skills and subjects which reflected the nature of the geographical area. The response by many schools to the development of these subjects was enthusiastic; most schools in the sample offered six to eight Board-Registered School Subjects to students in Years 11 and 12. Although many of these subjects were developed initially for students of "lower ability", a reported recent trend was for "academic" students to select one Board-Registered School Subject. The enthusiastic response by schools was curbed to some extent by the reaction of some teachers, students and parents to these subjects. Several Board-Registered School Subjects offered in 1989 were not implemented because insufficient numbers of students selected them. The major factor which mitigated against successful implementation of Board-Registered School Subjects was that students' results in these subjects could not be used in the calculation of the Tertiary Entrance Score, the basis for selection to tertiary institutions. For many students and parents, the Tertiary Entrance Score appeared to be the major goal of Senior secondary education.