The mother of a girl who attends Morriston Comprehensive School told ITV News that younger children may be intimidated having to use unisex toilets.
Emma Rees, who has a 13-year-old daughter, at the school says she's told her not to use the toilets. She says young girls need their privacy in toilets.
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It will remain breezy with further blustery and at times thundery showers.
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Showers becoming increasingly wintry even to lower levels, bringing an ice risk.