No it’s not apparently. If the child’s paediatrician deem it as non infectious then he can write a memo to allow the child to attend school. Of course subjected to the schools discretion. A good example is my son. He has sensitive nose, which may seem like he has the flu but it’s actually a norm every morning. We had to have a memo written to allow him to attend class. However, on days he really have the flu, his PD, won’t allow him to attend school and will give an MC for him or stay home for 5 days.