Over half a million children in Gaza have been out of school for a year with Israel’s brutal offensive collapsing the education system, leaving young people at risk of exploitation and psychological difficulties. Humanitarian agencies have warned that the absence of education will leave children with long-term difficulties and make it harder to pick up learning again. Some 625,000 students in Gaza have been without education for a full school year, a senior UN official said this week. The head of the UN Palestinian refugee agency, UNRWA, Philippe Lazzarini said that Gaza’s children are at risk…