One of the great things about modern farmhouse style is its versatility to mix and match items are part of the look. I love the combination of a bench and dining chairs for a dining room because it not only adds variety but it is a much more economical way to arrange seating.
Here are a few arrangements to consider and where to find budget friendly versions:
Full Bench Setup
There might have to be some compromised made on both sides of the table in terms of distances of seating to table but it is the most efficient way to get a bunch of kids with a smaller footprint around the table.
I like this industrial farmhouse dining table, here are a few options: Pottery Barn $1899,