This is a list of attacks related to postsecondary schools, such as universities or colleges.
A narrow definition of the word attacks is used for this list, excluding warfare, robberies, gang violence, political or police attacks, (as related to protests), accidents, single suicides, and murder-suicides resulting from rejected suitors/spouses.
Incidents that involved only staff who work at the school have been classified as belonging at List of workplace killings.
It also excludes events where no injuries take place, if an attack is foiled.
Each account needs a valid reliable source or it may be deleted.