LS or IS Advice wanted

I am an alumna of Maryknoll Convent School Primary Section as well as a Catholic, so my daughter will have 25 points and a high chance to get into MCSPS.
But I have been wondering if the current education system in HK is going to do my daughter any good, and am considering letting her go to an international school.

Honestly, going to MCSPS is a much easier (and cheaper!) option. My daughter is 1 year old only and I still have plenty of time to think about it. Should I let her try a