Should I tell my mum I’ve apllied for uni??

So I finally applied for uni last week, a week before the deadline (15 jan), but I haven’t told my mum I’ve applied, I don’t really want to tell them just yet anyway but I had parents evening yesterday and all my teachers were asking if I was going, I said no, they all know I’ve applied, even my head of year, should I mention to my teachers that I have applied and my mum just doesn’t know yet???