Basically the whole family was educated. And his sister, Joan Shakespeare Hart, was a closet Catholic who wrote secretly about it.
Which would explain why it was hidden in the attic.
Nothing to lose your head over......................
The drunken porter in Macbeth appears to take a swipe at Jesuits, but that would not count against William Shakespeare being a Catholic. Long before Pope Francis, many Catholics looked askance at Jesuits.
“ Joan Shakespeare Hart, was a closet Catholic who wrote secretly about it.“
If I recall, blabbing around your Catholicism in that time and place could get you in very large trouble.