Deuli Palli Mongal High School is on of the best school at Mirzagong upazila in Patuakhali district and is the 3rd founded junior school at Mirzagong upazila in Patuakhali district. Mainly the historical Deuli Palli Mongal High School was founded by Md. Abdul Wahed Khan on 1st July, 1963 with only 61 students. The then name of the school was "Deuli Junior School". The founder Headmaster of this school was Mr. Makbul Ahmed Miah. In 1969 the school became Secondary school and was renamed "Deuli Palli Mongal High School". The school building was founded at the south of the river "Barerdhon". In 2011 the USA Government established a cyclone shelter in this school for the flood affected people of this area. Recently it is regared as the best school of Mirzagong upazila.