Pros and Cons of joining the P1 interview class

Ving

Hi,

I am quite puzzle about joining the interview class. Some say that it is useless and even do more harm than good as it teaches the children only model answer.

The other say that it is good to join and let the children to have more common sense.

So, what will be your experience on it. Is it worth doing or just a waste of time and money? And if not joining the interview class, will you train your children up yourself for interview or do nothing and let the children perform himself