Parents have been left "disgusted" by a school's decision to replace a straightforward uniform requirement with an expensive "signature" version. School leaders at Rivigton and Blackrod High school in Rivington, Bolton, have decided to introduce a tartan school skirt for female pupils, which is due to replace the current black, logo emblazoned skirt in September. The uniform change, while not unusual for a school, will prove expensive, double the cost of the current basic version. Parents have