K-12 is a 2019 American musical fantasy horror film written and directed by Melanie Martinez and co-directed by Alissa Torvinen, which accompanies her second studio album of the same name. It 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.

Plot

Cry Baby wakes up to prepare for her first day at K-12 Sleepaway School, recounting a nightmare she had the previous night. She rides the school bus with her best friend, Angelita, where she is tormented and bullied by her schoolmates ("Wheels on the Bus"). When the bus loses control and plunges into the water, Cry Baby and Angelita reveal supernatural abilities that allow them to lift the bus into the sky and land outside of K-12.