Preschool with Small Ratio

There’s always a concern that having too many students might not allow the teacher to have enough attention for each student.

Hi... you might find this article informative https://sg.theasianparent.com/choosing-a-preschool-for-your-child

Can try searching in ECDA website or call up the school directly to ask.

Yes depends on the area you're staying? or you don't mind traveling anywhere

Try searching in ECDA. https://www.ecda.gov.sg/pages/default.aspx

you'll need to search in ECDA and call the school up to ask..

Where do you live?