His top 5
Hamlet - most famous William Shakespeare play
Othello - second most famous William Shakespeare play
Macbeth - third most famous William Shakespeare play
Romeo and Juliet - forth most famous William Shakespeare play
The Tempest - fifth most famous William Shakespeare play
According to >http://www.william-shakespeare.info/
Shakespeare is part of the English curriculum.
Meaning that you must be taught this in school as part of English, this means even if people don't have a interest in Shakespeare they will still have heard of him in schools they use 'Macbeth', 'Romeo and Juliet', 'The Tempest' and other Shakespeare plays it all depending on your school and teacher to what Shakespeare play you look at but after finishing school you will have as part of your education looked at, at least one of Shakespeare plays and held a group dissections on the play/s.