I led 17 students and 2 school leaders for World Challenge UK. Week 1 acclimatisation trek in Usumbaras Mountains. Week 2 climbing Mt Kilimanjaro 5895m (Rongai Route). 16 students summited, 1 developed cerebral oedema and had to be evacuated urgently. Week 3 building new classrooms at a local school during project phase. R&R safari in Ngorongoro crater and on beaches near Darasalam.