K–12 is a 2019 American musical fantasy horror film written and directed by Melanie Martinez and co-directed by Alissa Torvinen. The film accompanies Martinez's second studio album of the same name and stars Martinez, Emma Harvey, Zión Moreno, Megan Gage, Zinnett Hendrix, Jesy McKinney, Marsalis Wilson, and Maggie Budzyna. The film follows Cry Baby (played by Martinez), a brave-hearted girl, and her charming best friend Angelita (Harvey), who make a bewitching pair as they embark on a mission to take down the oppressive schooling system of K–12.