First and foremost, Wuthering Heights should carry an EEC rating, for Extreme Emotional Cruelty. Critics were not so happy with the novel when it first came out, but what else is new for canonical texts? Go big or go home (back to the moors), some might say. A word of caution, however, that the source of at least some of this naysaying is the explicit physical and emotional cruelty portrayed in the book.
While not for the faint of heart, the novel speaks to issues of the heart that transcend time and place. Teachers can link Wuthering Heights to many issues that young people care deeply about: love, dating people their parents dislike, the Twilight series, drama in general. Wuthering Heights reads quite a bit like a soap opera (a dark and gloomy one, but a soap opera nonetheless), so there's ample room for activities in which students can map out simpler issues like love triangles (or pentagrams) and in the process, scaffold more complex themes like love, revenge, history repeating, socio-economic differences in society, and the list goes on.