By Ellie Kendall & Steven White A mum blasted her daughter’s school for ‘objectifying’ its female students in a row over skirt lengths. Debbie Williams was one of a hundred or so demonstrators outside Yate Academy in South Gloucestershire on Monday protesting against the handling of its dress code. She claimed her child, Ruby Miles, a Year 9 student, has missed hours of lessons due to unfair uniform codes by the secondary school. The backlash comes following a petition launched by students last week that stated the uniform rules were ‘disrupting learning’, ‘causing undue stress and agitation a…