For the Educational Programme of the Marrakech Biennale, French artists POES and JO BER  just completed the largest mural in a mixed school in Morocco, painting a monumental 360 sq meters. For the past four years, Ryane Abdelmouhcine, Headmaster of Tariq Ben Ziad, the largest mixed college of Marrakech with 2200 children, always been creative to motivate…