Hospital readmissions are frequent and expensive. Thirty-day readmission rates for adult patients undergoing colectomy are as high as 25%, with inflammatory bowel disease (IBD) being a major risk factor for readmission. We sought to 1) determine the 30-day readmission rate for pediatric patients with ulcerative colitis (UC) undergoing total abdominal colectomy (TAC) between 2012 and 2017 using a national pediatric surgical database and 2) identify risk factors for unplanned readmission in this population.