SOLVED. Childrens book from 2006 siblings sent to live with grandma in middle of nowhere do not get along with neighbor. [s]

[T]

Brother and sister are sent to the country to stay with their grandma for the summer. She is stern and the kids don’t want to be there. They have neighbors the whole town dislikes who are always born with one blue eye and one green eye. During the Christmas pageant the baby Jesus doll is replaced with a real baby that had those same eyes the sister of playing Mary. Her costume is made of chicken wire.

[Tab]

Is it one of the books from the "Herdmans" series?
https://www.goodreads.com/series/5972...

The Best Christmas Pageant Ever fits with a few of those scenes

[T]

Yes, it is "The Best Christmas Pagent Ever" and I realized I had also mixed it up with another book called "Year Down Yonder". Thank you for being so helpful!

[Rainbowheart]

A Year Down Yonder for the link to other book you mentioned.