I saw the movie in high school, literally, in my high school. They would have different rooms with different movies on Halloween and I remember that was one that was screened.
Plus, think about it, do you think any Broadway production nowadays would want to eliminate the family audience from seeing a commercial musical? It might be edgy but it will not be vulgar or overtly explicit. I'm sure it will be fine unless you have particularly sheltered or unsophisticated high school student on your hands.
With Irma you gotta do something!