The purpose of this study is to explore the perception of subject advisers on curriculum change and delivery in secondary schools. The survey design which adopts quantitative research approach was used. Random sampling procedure is used to select b samples of 300 respondents in the study who are subject advisers. Questionnaires were administered to all selected 300 subject advisers, however, only 217 were duly completed and analysed for the study. The findings indicate among others that curriculum delivery is dependent on teachers' familiarization with the curriculum, planning of lessons and teaching through the use of the curriculum. The study recommends that teachers should be motivated to familiarize themselves with the curriculum, trained periodically on how to use the curriculum when planning their lessons and teaching. Also, continuous curriculum change should be checkmated.