The school teacher takes his students on an outing to a public swimming pool. All the boys in the class (about a dozen, ages roughly 10 to 12) are seen naked in the shower. Full frontal and rear nudity of most boys.
When Gilles is in the stadium with his dad preparing for a special match with a group of dead soccer legends, Gilles can be seen naked from behind while showering.
A teacher enters and stops a scuffle involving bullying of Rex Deakin (John Williams) by some older boys. Rex is made to undress for the showers and his backside is seen in close-up, showing signs of being beaten.
Graham Black (Martin Kemp) pees into a sink other boys are washing in (shown from behind) then his pubic hair is visible as he bends down to pick up his towel.
Full nudity of several extras in the background of the shower scene.