I am Pro Private
i have 2 kids currently in a private childcare center.
first and foremost, i did not go go those branded high price childcare center.
the school fees is just slightly more expensive than my first skool.
what i like about the school is that they focus more on academic studies
for example, they give them chinese and english spelling in thier K1 and K2, this will help them adapt better in theiir P1 (and my understanding is that my first skool don't give spelling to thier kids).
i think in the end of the day i look at
1) whethter the teachers are caring to my children and
2) they actually teach useful knowledge to my children
for this, it is a bit of gut feel and asking the teachers about their curriculum before chosing the school.
Hope this helps