The teachers’ understanding of content and process standards of 2013 curriculum and their abilities in preparing english lesson implementation plan syiah kuala university, banda aceh, indonesia rusydi usman kasim iskandar abdul samad abstract teachers’ understanding of both content and process standard affect their preparation on the lesson implementation plan (rpp) is still weak. there are lack of learning assessment, basic competence, indicators, teaching materials, and learning models and its used is not appropriate based on the 2013 curriculum. this research was aimed at finding out the english teachers’ understanding of two main elements of 2013 curriculum; content and process standards that lead the teachers to preparing appropriate lesson implementation plan (rpp) which has a direct interaction with the instructional process. the selected samples were six english teachers from different level of junior high schools in banda aceh. the questionnaire and interview