Circle of Magic by Tamora Pierce.
I’m not entirely sure this is YA, but it’s one of my favourite series, and I think it can be enjoyed by all ages. I think part of the reason these books don’t have romance is because the characters are somewhat young. But it’s still refreshing to read a book without romance, especially when the group of friends involves three girls and a boy, who don’t decide they’re in love with each other.
The Circle Opens by Tamora Pierce.
This is set in the same world as Circle Of Magic, when the characters are a bit older. This series is quite a bit darker, and definitely YA. There is no actual romance, although in one book, a character feels attracted to another character, its nothing big.[/vc_column_text][/vc_column][/vc_row]