thanks fatfreak and carang for your comments
We're not bothered with 'local' feel. We live in HK, and we want to embrace that. We're quite likely to be here for the long term, so we feel we should give the opportunity to our son to really immerse in the culture here. If everything goes well at local school option, the only downside we can think of is that it'll be harder to be accepted at ESF. But the fear of not being accepted at ESF whilst my son does not learn any Chinese overtakes all other concerns... Think of the stress caused of having to go to a local school when unable to understand the language you're being taught in. I've been there myself (My family moved to the UK from Japan and my brothers and I went to the local school with almost no understanding of English, aged 12, 10 and 4). The outcome is really child dependent, and unreliable. Not recommended.
What's important for us is that our son enjoys the experiences at the school - whether it be the learning process, play, etc. He's joining PN from Sept 2012, and we figured we have one year to see how he's doing. We will be applying to all the other options, such as ESF, Delia, VSA and KCIS this year when the application opens.
During my recent visit to Greenfield (new Hang Hau campus which opened in April 2012), I had complete attention of a teaching staff (as opposed to a school supervisor) who took time to ensure all my answers were met, talked at length about approach to discipline and how learning through play was an important part of child's growth, went over some teaching materials and shown some work sheets, activities pupils would do (including cooking like kneading), how I could read between the lines that my child would not be pressurised to achieve a skill he is not yet ready for, but be positively encouraged to learn over time. The teachers were native to the language they are in charge of, which could not be said for some other schools I have seen. In the end, I felt comfortable that my child would be taken care of, and the teachers and staff actually cared. So I'm pretty much sold on the idea, but feel nervous because I am not able to find any endorsements for the school, or find other parents who has had the benefit of experience.
So any feedback - whether on Greenfield, or other local, or other options I have, will be most gratefully received.