I Am Not Afraid Anymore 1985 one on netflix

A young boy of about 11 struggles to fit in with the usual activities concerned with life, especially at at school . He is somewhat timid and nervous and as a result often finds himself alienated from most of his contemporaries. This manifests itself , for example , in the problems he has with gymnastics and especially swimming. The arrival of a young and sympathetic teacher starts a turnaround in his life.