Everyone has different rules in terms of sick days, but the majority of us still charge if the child is home sick or the parent keeps them home for any reason. Some of us also have some paid sick days for ourselves in our contracts, although I know the majority do not. It depends on the norm for your area as it does vary greatly from city to city and even neighbourhood to neighbourhood. However, as I said, the parents are paying for a space in your daycare...the space is still there for them if their child is kept home sick or for a vacation, so they still pay.