Moving to Frankfurt - Need some guidance

Hello people, I am hoping to get some advise on this thread from you all.
We currently live in Dublin, Ireland and will soon be moving to frankfurt.
Although my search in ongoing for areas, kindergarten and houses/apts, I would appreciate if people can advise us on best /affordable areas to live in and also English/internationalKindergarten.

I was told that Darmstadt has lot of foreigners/English Speakers living and I found couple of international kindergarten in the area. Would like people living in Darmstadt to comment and give us more information.

Thank you