Behavioral, social and school functioning in children with Pompe disease

•Parents of children with Pompe disease completed standardized behavior checklists.•Most children with Pompe exhibited age appropriate behavior and emotional functioning.•Negative mood, learning, and attentional problems reported in infantile Pompe group.•Negative mood and concerns about peer interactions reported in late-onset Pompe group.•Most children with Pompe attend and succeed at school, with classroom accommodations.