Teachers' pensions strike shuts at least a quarter of schools.

The article discusses a demonstration protesting British government cuts to public sector pensions held in London, England, on June 30, 2011, by members of British teachers unions. Demonstrators from unions including the National Union of Teachers (NUT), the Associations of Teachers and Lecturers (ATL), and the University and College Union (UCU) disagree with British government proposals to cut pensions and raise the minimum retirement age for teachers.