pupils

Students take notes during an English language class at the Juba Nabari Primary School, in Juba on April 9, 2014. Recent conflict in the country has made resources scarce, many civil servants, including teachers, have not received their pay for several months.

Andrei Pungovschi/AFP

Students take notes during an English language class at the Juba Nabari Primary School, in Juba on Wednesday. Recent conflict in South Sudan has made resources scarce, with many civil servants, including teachers, not receiving their pay for several months.

Kindergartners drink waters near a poster to mark the World Water Day, which falls on March 22, on Cheonggye Stream in Seoul, South Korea, Thursday, March 20, 2014.

Ahn Young-joon/AP

Kindergartners drink waters near a poster to mark the World Water Day, which falls on March 22, on Cheonggye Stream in Seoul, South Korea.

Students apply coloured power onto their teacher's head during Holi celebrations at a school in the western Indian city of Ahmedabad March 14, 2014. Holi, also known as the Festival of Colours, heralds the beginning of spring and is celebrated all over India.

Amit Dave/Reuters

Students apply coloured powder onto their teacher’s head during Holi celebrations at a school in the western Indian city of Ahmedabad. Holi, also known as the Festival of Colours, heralds the beginning of spring and is celebrated all over India

Pakistani students of a madrassa, or Islamic school, some sleeping while others study, in a Mosque in Islamabad, Pakistan, Monday, Feb. 24, 2014. Islamic schools form an important function within the Pakistani educational system, providing for many Pakistanis, the only educational institution they attend.

Muhammed Muheisen/AP

Pakistani students of a madrassa, or Islamic school, sleep while others study in a Mosque in Islamabad, Pakistan. Islamic schools form an important function within the Pakistani educational system, providing for many Pakistanis, the only educational institution they attend.

Students from St Andrew's University indulge in a tradition of covering themselves with foam to honor the 'academic family' on November 4, 2013, in St Andrews, Scotland. Every November the 'raisin weekend' which is held in the university's St Salvator's Quadrangle, is celebrated and a gift of raisins (now foam) is traditionally given by first year students to their elders as a thank you for their guidance and in exchange they receive a receipt in Latin.

Jeff J Mitchell/Getty Image

Students from the University of St Andrews, Scotland, on Monday cover themselves with foam to honour the ‘academic family’ . The ‘raisin weekend’ is held every November in the university’s St Salvator’s Quad. A gift of raisins (now foam) is traditionally given by first-year students to their elders to thank them for their guidance. The first-years in exchange receive a receipt in Latin.

An Indian school student dressed as Mahatma Gandhi (C) sits with fellow students as they take part in state formation day celebrations in Hyderabad

Noah Saleem/AFP

An Indian school student dressed as Mahatma Gandhi is among those taking part in state formation day celebrations in Hyderabad in India on Friday.

Students dressed as zombies participate in an annual Halloween Costume Parade in Manila on October 30, 2013. The activity aims to celebrate Halloween in a creative and fun way through showcase of different scary costumes.

Noel Celis/AFP

Students dressed as zombies take part in an annual Halloween costume parade in Manila on Wednesday.

Students from President Corazon Aquino Elementary School use their notebooks to cover their heads as they participate in an earthquake drill in Manila on October 18, 2013, after a 7.1-magnitude earthquake that hit the central Philippine island of Bohol. Road access to the worst-hit towns on the central island of Bohol remained cut, two days after the quake destroyed buildings and triggered landslides that engulfed homes and highways, regional civil defence chief Minda Morante said.

Noel Celis/AFP

Students from President Corazon Aquino elementary school use notebooks to cover their heads as they take part in an earthquake drill in Manila on Friday, after a 7.1-magnitude earthquake hit the central Philippine island of Bohol.

A teacher adjusts the position of a student as a group of first graders practise gymnastics at a sports school in Jiaxing...A teacher (2nd L) adjusts the position of a student as a group of first graders practise at the gymnastics hall of a sports school in Jiaxing, Zhejiang province, October 15, 2013. The daily schedule for young gymnasts in the school includes literacy and general knowledge classes in the morning and athletic training in the afternoon.

William Hong/Reuters

A teacher adjusts the position of a student as a group of first graders practise at the gymnastics hall of a sports school in Jiaxing, Zhejiang province, in China. The daily schedule for young gymnasts in the school includes literacy and general knowledge in the morning and athletic training in the afternoon.

A boy recites from a book during a lesson at a school in a slum on the outskirts of Islamabad on Friday.

Zohra Bensemr/Reuters

A boy recites from a book during a lesson at a school in a slum on the outskirts of Islamabad on Friday.