 Together with his two brothers, Abdul Hadi and Salameh, Mahdi Abdul Hadi joined the Jesuit St. Joseph School in Junieh, Beirut.He was taught in Beirut upon the family's return to Nablus in 1950 where his father worked as judge in the district court which had by then became part of the Jordanian Ministry of Justice.In the following decade Hadi received his primary and secondary education at various institutions in the West Bank, such as the national Najah School (1950–1952), Ahliya School (1952–1955), the Ibn Rushd School in Hebron (1955–1957), the German Schneller School in Bethlehem (1958), the Friends Boys School in Ramallah (1959–1960), the Khalil Sakakani School in Jerusalem (1961–1962) and the Rashidiya School (1962–1963).