Before the COVID-19 pandemic, England's school system was facing an increasingly severe challenge of recruiting enough trainees to initial teacher training (ITT) to meet growing teacher demand. The pandemic has had a number of impacts on the ITT sector and on teacher supply more broadly. This report highlights some of the main opportunities and challenges brought by COVID-19, drawing on applications data from the Universities and Colleges Admissions Service (UCAS) and nationally-representative surveys of teachers and senior leaders.