Pupils at Morriston Comprehensive School told ITV News the introduction of unisex toilets allowed them to show how mature they are. They said teachers monitor the loos to make sure no one is bullied.
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Mainly dry with lengthy clear spells overnight and just a few showers likely, especially in the north and west.
Ysgol Uwchradd Caergybi became the UK's first comprehensive 65 years ago. Academies are now dominant in England, but certainly not in Wales.
Dry for most, but a few showers likely.