School girls walk across a plank on the walls of the 16th century Galle fort, Sri Lanka, on July 8, 2009. (Photo by Vivek Prakash/Reuters)

Primary school boys carry their benches after their school was flooded due to heavy rains at Bassi Kalan village in the outskirts of Jammu, Kashmir, on August 10, 2011. (Photo by Mukesh Gupta/Reuters)

Students hold on to the side steel bars of a collapsed bridge as they cross a river to get to school at Sanghiang Tanjung village in Lebak regency, Indonesia's Banten village January 19, 2012. Flooding from the Ciberang river broke a pillar supporting the suspension bridge, which was built in 2001, on Monday according to Epi Sopian the head of Sanghiang Tanjung village. Sofiah, a student crossing the bridge, says she will need to walk for an extra 30 minutes if she were to take a detour through another bridge. (Photo by Beawiharta/Reuters)

Afghan boys sit on the ground outdoors for their lesson, near Khas Kunar refugee camp, Kunar Province, eastern Afghanistan February 18, 2009. (Photo by Oleg Popov/Reuters)

Students travel in a vehicle after attending school at Ibsheway el-Malaq village in Gharbia governorate, about 165 km (103 miles) northeast of Cairo, March 12, 2012. (Photo by Amr Abdallah Dalsh/Reuters)

Elementary school girls cross a river to go to school in the village of Nagari Koto Nan Tigo in Indonesia's West Sumatra province November 14, 2012. School children from around 46 families in the village are forced to cross the river every day because there is no bridge, villagers said. (Photo by Reuters/Stringer)

Somali children attend a makeshift outdoor classroom at Dagahaley refugee camp in Dadaab in Kenya's northeastern province, June 8, 2009. Weeks of intense fighting in Somalia has driven tens of thousands of people from their homes, swelling camps on the Kenyan border that are already the largest and oldest in the world, sheltering more than 270,000 Somali refugees. (Photo by Finbarr O'Reilly/Reuters)

Xu Liangfan, 37, escorts students on a cliff path as they make their way to Banpo Primary School in Guizhou province March 12, 2013. Located halfway up a mountain, the school has 68 students of which about 20 live in the nearby Gengguan village. Students from Gengguan have to edge their way along the narrow cliff path to go to class everyday, alongside Xu who would escort them. The path, which was carved from cliffs over 40 years ago, is the only route between Gengguan village and the school, according to local media. (Photo by Reuters/Stringer)

Xu Liangfan, 37, escorts students on a cliff path as they make their way to Banpo Primary School in Guizhou province March 12, 2013. (Photo by Reuters/Stringer)

In this photograph taken on January 19, 2012, Indonesian schoolchildren hold on to iron cables as they cross a nearly-collapsed suspension bridge at Sanghiang Tanjung village in Indonesia's Banten province to reach their school. (Photo by Kris Aria/AFP Photo)

Indian Sikh school children make their way through flood water in a water-logged street after a heavy downpour flooded parts of Amritsar, in India's northwestern state of Punjab, 01 September 2006. (Photo by Narinder Nanu/AFP Photo)

Pakistani Kashmiri school-children cross a damaged bridge at Hatian Bala, some 44 kms from Muzaffarabad, the capital of Pakistani administered Kashmir, 05 October 2006. (Photo by Aamir Qureshi/AFP Photo)

Pakistani students climb on a passenger bus on a high way in Islamabad on January 21, 2013. (Photo by Asif Hassan/AFP Photo)

Four Pakistani brothers and a friend (L) crowd a motorcycle as they make their way home from school at a madrasa in Lahore on May 13, 2013. (Photo by Roberto Schmidt/AFP Photo)

Afghan schoolgirls cross a wooden bridge in Qara Zaghan village in Baghlan province on May 7, 2013. (Photo by Shah Marai/AFP Photo)

Schoolchildren commute on a ferry from their schools to their homes in Jinhua village, in southwest China's Sichuan province, 17 May 2007. (Photo by Liu Jin/AFP Photo)

A mother walks with her child through uncollected garbage on their way back from school in the historic Spanish district of Naples on November 22, 2010. (Photo by Roberto Salomone/AFP Photo)

This photo taken 12 November, 2007 shows students crossing an improvised bridge made of coconut trees at the village of San Jose in the town of Borongan, eastern Philippines. The bridge connects people to the village high school campus. During the rainy season the bridge becomes slippery and exposed to flash floods. (Photo by Ted Aljibe/AFP Photo)

In a picture taken on June 18, 2011 Chinese students make their way across a flooded school compound walking along a row of chairs, in Wuhan, in central China's Hubei province on June 18, 2011. (Photo by AFP Photo)

Parents carry their children on their backs as they cross the Jragung river in Demak, Central Java, on February 11, 2012 on their way to school and the market. (Photo by AFP Photo/SETIAWAN)

Schoolchildren get a helping hand as they cross a makeshift bridge to get to school after a mudslide that occurred in Ningnan, southwest China's Sichuan province on July 1, 2012. (Photo by AFP Photo)

A Turkish soldier, flanked by children on their way to school, patrols on a road in the province of Sirnak, near the Turkish-Iraqi border, southeastern Turkey, 17 October 2007. (Photo by Mustafa Ozer/AFP Photo)

Children returning from school wade through the water covering the street and bridge connecting the suburbs in the outskirts of Chokwe near the Limpopo river on January 26, 2011. (Photo by Johannes Myburgh/AFP Photo)

Boys walk to school over railway tracks close to the Nizamuddin Railway Station on February 06, 2012 in New Delhi, India. (Photo by Daniel Berehulak/Getty Images)

A schoolboy jumps from a rickshaw on his way back from school on April 11, 2012 in New Delhi, India. (Photo by Daniel Berehulak/Getty Images)

A man lifts his daughter off a bicycle as she and other children arrive for school on May 7, 2012 in New Delhi, India. (Photo by Daniel Berehulak/Getty Images)

Children attend class at the Dongzhong (literally means “in cave”) primary school at a Miao village in Ziyun county, southwest China's Guizhou province in this November 14, 2007, file photo. (Photo by Reuters/China Daily)

Kashmiri children cross a damaged footbridge built over a stream, on their way back home from school in Srinagar in this May 11, 2012, file photo. (Photo by Danish Ishmail/Reuters)

Students cross Ciherang river on a bamboo raft on their way home from school in Cilangkap village, Lebak Regency in Banten province, November 19, 2013, file photo. The raft has been used since January 2013 when the bridge broke due to flooding, local media reported. (Photo by Beawiharta Beawiharta/Reuters)