“There is scarcely any empty space in the yard or classrooms of the Deir al-Balah Preparatory School, one of more than 700 that are run by UNRWA, the UN agency for Palestine refugees. The yard where children used to take part in sports, have fun and play, is now full of tents.
Ayman Ibrahim Jouda used to teach mathematics to fifth-grade students. Before, he says, it was ‘a citadel of science and education’