He saw his mother only sporadically throughout his childhood, and didn't learn the truth about her addiction until he was in the fourth grade.

He also established the Joseph and Shirley Krosoczka Memorial Youth Scholarships at the Worcester Art Museum in tribute to his grandparents.

His first book, Good Night, Monkey Boy, was published on June 12, 2001, by Random House.

A Universal Studios movie based on Krosoczka's Lunch Lady series was in development with Amy Poehler in the lead role.

Additional film and television options for Krosoczka’s work have been with DreamWorks Animation, Walden Media, and MGM.