Rangamati High School is a co-educational institution located at Dhamoirhat Rangamati near Union Parishad, in the Eastern Bank of Atrai River. This institution was established in 1965 by The Ministry of Education of peoples Republic of Bangladesh. It has one building which is two storied and another building which is one storied. It has also one rich library, one Sheikh Russel Digital Lab, several respective laboratories for science faculty. It has also two separate and spacious fields for boys and girls. Here esteemed teachers directly recruited by the Ministry of Education and SMC teach the students with great affection and care. Co-curricular activities including annual sports, annual cultural program, extempore speech competition, debating, scouting, BNCC, Student Cabinet etc. are observed with great pomp and show.