Ghost Graduation
Promoción fantasma (original)
A teacher with paranormal abilities helps a group of ghosts graduate high school.
Starring Raúl Arévalo, Alexandra Jiménez, Aura Garrido, Andrea Duro, Àlex Maruny, Jaime Olías, Anna Castillo, Javier Bódalo, Carlos Areces, Silvia Abril
It's a comedy and action & adventure movie, and has a rating of 6.3 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Finland.