This book is more on Rural Secondary teacher's insight on the implementation of Biology revised Curriculum (2015-2022) Onathinge Circuit, Oshikoto Region, Namibia. One of the objectives was based on identifying challenges encountered during the implementation of the new revised Biology Curriculum. Another main idea behind the research is that the findings of this research were to suggest strategies for the implementation of the Biology Curriculum and to enhance the effective Curriculum implementation in future.