Kes (1969)
From the top 100 British Film's list is an endearing, yet bleak story of an awkward teen growing up in a working class city. He is picked on at home and at school, and has little hope for his future. Things take a turn for the better as he takes in and starts to train a young bird, and a teacher takes a liking to him. This is a very good movie; filmed expertly, with terrific performances.