In 1940 Sapleza, the then name was 'Schillargonj' located in Mathbaria, Pirojpur. Although people of that time were illiterate, they understood to educate their children. The leaderlike some people established an academy in 1940 and named Sapleza High School. The founder of this school was Al-hajj Nurul Hossain Mridha and the first Headmaster was Jatindra Nath Guh. In 1967 The school was declared as secondary school By the board of Jessore and was renamed 'Sapleza Model High School'. At that time the school was a 'Golpata' roofed school. Now a days Sapleza Model High School is one of the best schools at Mathbaria in Pirojpur district for its reputation.