When I Was 12 (2001)

Newly arrived on a Burnley housing estate is twelve-year-old Chloe, who, with her alcoholic single mother and abusive older brother, has been re-housed for the umpteenth time. When Chloe finds a kindred spirit in Lee, a young boy with a similarly dysfunctional family, she sees an opportunity to escape from her mother and brother.

Unfortunately the movie When I Was 12 is not yet available on HBO Max.