The curriculum in school science for vocational students has three different purposes: 1) prepare the students for later participation in society and coping with everyday life; 2) qualify the students for further studies; and 3) offer the students school science adapted to the various vocational programs. This study examines what influence two teachers’ choices when designing science teaching for vocational students. The research approach is action research conducted by two teachers and a researcher. Audio files from weekly meetings throughout one-year forms the data. Based on findings, the article discuss if the current curriculum in school science offers the teachers enough scope for action to adapt the teaching to various vocational programs.