The Regular Son and I caught 21 Jump Street last weekend. Short review: very vulgar, very funny. About on par with Superbad in terms of both. Great stuff.
Anyway, it's mostly a vehicle for the male-bonding leads, Jonah Hill and Channing Tatum, but each has a "love interest" of sorts, neither of which is age-appropriate for twenty-something cops pretending to be high school students (probably intentionally as part of the "edgy" humor). For Hill it's a high-school girl, Molly, played by Brie Larson:
For Tatum, it's his chemistry teacher, played by Ellie Kemper: