The purpose of this paper is to investigate the practical aspects of training for parents and teachers of chronically ill children who are under long-term treatment in medical institutions. The paper identifies knowledge, attitudes and practices associated with both formal and non-formal education programs for teachers and parents of children undergoing long-term in-patient treatment. Innovative practices used in Moscow City University are presented, including educational techniques, methods and formats for training teachers and parents of children undergoing long-term treatment together with the results of parent surveys and interviews. The paper describes the benefits of a specially designed program of parent professional retraining to provide tutor support for children with long-term illnesses. Integrating the best informal training practices and formal training modules, this program allows for successful tutoring for children with long-term illnesses.