This movie is about a little girl in the 50’s who lives across the street from this teenager. The little girl basically idolize her and wants to be like her. Little girl gets bullied by her friends though. She eventually befriends her idol . The teenager gets pregnant by her boyfriend and has to run away. The little girls helps her and I don’t remember any of the details.
“That Night”(1992)
https://www.imdb.com/title/tt0105572/?ref_=nv_sr_1