Sanaz Toossi’s buoyant, Pulitzer-winning drama follows a group of Iranians learning English, highlighting the desires and circumscribed circumstances that have brought them to the class.

Few are the standout gems—those plays that conquer an audience so wholly you feel a delicious two-way crackle in the room as a performance progresses. Sanaz Toossi’s English, which opened tonight on Broadway at the Todd Haimes Theatre (to March 2) in a co-production with the Roundabout Theatre Company,