Haunted Campus (2016)

Both are horror comedy.
both are not very scary.
both have ghosts, spirits.
both are very enjoyable.

both horror comedies
both involve young people trying to solve a mystery
not super gory. safe for kids to watch... probably o_0;;
both, just watch both!

Both Haunted Campus and The Girl's Ghost Story are based at school, the main characters from both movies have to ability to see ghosts.