To help everyone settle at school, the girls are treated to some 'big sister' mentoring from the Year 12 students. Meanwhile,it's all-change at the top as the hunt is on for three new head girls - but it's not just the teachers on the panel.

It's the end of term prom and Matilda, Libby and the girls are taking a confidence-boosting lesson in dance. Meanwhile, there's a surprise in store as some unexpected guests gate-crash the celebrations.