Itbariasharikkhali High School in 6 villages. These are Itbaria, Gilabunia, Sharikkhali, Galachipa, Durgapur & Ballave under Itbaria Union Patuakhali Sadar. It was founded by Hazi Manik Howlader, Md. Motaleb Shiker and other alit persons in these villages in 1999. These school got first permission in 2002 and recegnization in 2004. From 31 May, 2010 these school got MPO. These School Promoted secondary high school in 2012.