It looks like “luck” is more of a frame of mind. And luck school actually helped unlucky people:
It pays to imagine your life is on a winning streak.
By Chelsea Wald | January 26, 2017 | Nautilus
“Luck is believing you’re lucky.”
—Tennessee Williams, A Streetcar Named Desire
From Michael Shermer’s article I already learned that people see patterns even when there is none. The article below points out that this type of behaviour was also observed in pigeons! From BBC News Magazine, 14 September 2011:
By Michael Blastland
We all have lucky rituals or charms but why do we see meaningful patterns or connections in random or meaningless data, asks Michael Blastland.