The Children
Les Enfants (original)
Ernesto, a seven-year-old boy who has the body of a thirty-year-old man, decides, upon attending his first day of school, that he no longer wishes to attend, because he does not wish to be taught matters that he does not know.
Starring Axel Bogousslavsky, Daniel Gélin, Tatiana Moukhine, Martine Chevallier, André Dussollier, Pierre Arditi
It's a comedy movie, and has a rating of 6.5 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Colombia.