3 sets of lesbian couples have children at my son's school, I babysit for one of the couples kids sometimes. Their eldest daughter is 11, she told me she didn't like her biological mum's partner, this had nothing to do with her being a woman, she talked about her like my brother did our stepfather when he was a teenager. She didn't have the mickey taken out of her butmaybe thats because it's so open.
It probably is wrong to assume. My eldest comes home from school a bit upset when they have been talking about dads living at home. We have to have a big chat about why some dads dont live at home.
Fortunately my kids have grown up around gay men and women. single parent familiers and those that have a "traditional" unit, so I really hope they would never pick up on this and buly anyone for it.
Goodsy x