Admissions Refused For Kids Of Divorced Parents -is It True?

Hai everyone! this is regarding to an article i read recently in a magazine which is quite shocking,most leading schools in chennai refuse admissions for kids whose parents are either divorced or if they live separetly,can anyone help me in this ?wat i wanna know is

1)should parents be present at the time of admission(even though they work abroad,cos i came to know that one of my frnds hubby had to rush to india frm states jus bcos of his sons admission)

2)if their parents are divorced the schools refuse admission-is it true

help me in this