<Li> Mangrove Institute of Science and Technology--a non-government technical institute in Khulna </Li> <Li> BCMC College of Engineering & Technology - The largest private polytechnic college in Bangladesh </Li> <P> A vast number of schools in Bangladesh are English version schools . English Medium schools are mainly private schools where all the courses are taught in English except one Bengali Language subject at ordinary level (O Level). These schools in Bangladesh follow the General Certificate of Education (GCE) syllabus where students are prepared for taking their Ordinary Level (O Level) and Advanced Level (A Level) examinations . The General Certificate of Education system is one of the most internationally recognised qualifications, based in the United Kingdom . The Ordinary and Advanced Level examinations are English equivalent to the Secondary School Certificate (SSC) and Higher Secondary School Certificate (HSC) examinations respectively . Most students sit for these exams from the registered schools in Bangladesh who follow the GCE syllabus . Those who do not attend a school that follows the GCE syllabus may also sit for their Ordinary and Advanced Level examinations from the British Council . These examinations are conducted under the supervision of the British Council in Bangladesh . The GCE examination conducted by the British Council takes place twice a year . Currently there are two boards operating from Bangladesh for Ordinary and Advanced Level Examinations, which are Edexcel and University of Cambridge International Examinations . Bangladesh has recently opened English version schools (Bangladesh) translating board textbooks in English . </P> <P> The Madrasah Education System focuses on religious education, teaching all the basics of education in a religious environment . Religious studies are taught in Arabic and the students in some areas also serve the local area masjids . Students also have to complete all the courses from the General Education System . Many privately licensed Madrasas take in homeless children and provide them with food, shelter and education, e.g. Jamia Tawakkulia Renga Madrasah in Sylhet . In the Madrasah Education System there are two systems: </P>

What is a level and o level in bangladesh
find me the text answering this question