What should be the ideal duration and school time for Playgroup, and KG class?

Weconnect 2018-06-04 00:14:28

 

Dear Parents, 
Please respond with your views on 
What should be the ideal duration and school time for Playgroup, and KG class?
Morning bet. 8-12 pm, Afternoon bet. 2-5 pm . 
What are the top 3 areas you would look for in a pre-school?

Thank you, 
Regds
Uday