Renfrewshire school after a picture emerged showing pupils crowded together in packed communal areas.A parent of a pupil at Park Mains High School in Erskine shared a picture showing students packed together at the main entrance and dining area of the school.The mum, who does not wish to be named, said she is now keeping her son off school until mandatory face masks are introduced from Monday, August 31.She said: “I am aware it was raining but my son said it’s the same everyday rain or not..“He