I don't htink you have to change Shakespeare's language. If you reach the kids the right way, they will appreciate his mad skillz.
When I was a sophomore in high school in farming country (during the dark ages), our English teacher introduced us to Romeo and Juliet. Too bad more teachers don’t present the classics in such a way that students learn to understand, enjoy and appreciate them. This lady needs to be honored for her dedication. These students were very lucky indeed.
There are some performances where the language is easy to understand, because of the expression and parsing of the actors.
And then there are the pompous performances, all i-AMB pen-TAM-e-TER.
And the run-the-other-way performances, no we’re not reading any poetry here.