Baptist Lui Ming Choi Secondary School (BLMCSS) is a Baptist secondary school in Sha Tin, Hong Kong, near Lek Yuen Estate. It was established in 1978 by the Baptist Convention of Hong Kong. Situated in the new town of Sha Tin, the school is a co-educational grammar school offering education at the first to sixth form levels education in Hong Kong. English is the major medium of instruction whereas Cantonese are used for subjects like Chinese Language, Chinese History, Chinese Literature, Liberal Studies, Visual Arts, Physical Education. In junior forms, Mandarin Chinese is also taught. The school has mission in providing an all-round education based on Christian values by nurturing their moral, intellectual, physical, social, aesthetic and spiritual skills, knowledge and attitude. It is a band 1 school.

Sha Tin, also spelt Shatin, is a neighbourhood along Shing Mun River in the eastern New Territories, Hong Kong. Administratively, it is part of the Sha Tin District. Sha Tin is one of the neighbourhoods of the Sha Tin New Town project.