The Wild Child
L'Enfant sauvage (original)
In 1798, a feral boy is discovered outside the town of Aveyron, France. Diagnosed as mentally impaired, he is relegated to an asylum. A young doctor named Jean Itard becomes convinced that the boy has normal mental capacity, but that his development was hindered by lack of contact with society. He brings the boy home and begins an arduous attempt at education over several years.
Starring Jean-Pierre Cargol, François Truffaut, Françoise Seigner, Jean Dasté, Annie Miller, Claude Miller, Paul Villé, Nathan Miller, Mathieu Schiffman, Jean Gruault
It's a drama and history movie, and has a rating of 7.5 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Ireland.