teachers

Indian schoolchildren perform yoga at Delhi Public School in Hyderabad, India, Monday, Oct. 20, 2014. Around 5,000 people including students, teachers and parents performed seven yogic postures, following a religious prayer for world peace.

Mahesh Kumar A/AP

Indian schoolchildren perform yoga at Delhi Public School in Hyderabad, India on Monday. Around 5,000 people including students, teachers and parents performed seven yogic postures, following a religious prayer for world peace

A woman protests against the school refo...A woman protests against the school reform as teachers, assistants and parents demonstrate on November 14, 2013 in Marseille, southern France, during a nationwide day of strike to protest against the government's reform in the duration of classes and extracurricular activities, making children attend classes five days a week, instead of four in nursery and primary schools. AFP PHOTO / BORIS HORVATBORIS HORVAT/AFP/Getty Images

Boris Horvat/AFP/Getty

A Marseille woman protests during a nationwide strike against French education reforms. Proposals aim to change the duration of classes and extracurricular activities, making children attend classes five days a week, instead of four in nursery and primary schools.

A demonstrator marches during a teachers protest demanding better working conditions and against police beating, on Monday night in Rio de Janeiro.

Christophe Simon/AFP

A demonstrator marches during a teachers protest demanding better working conditions and against police beating, late on Monday night in Rio de Janeiro.