Afar tribe teacher writing on a wood board in a coranic school, Afar region, Afambo, Ethiopia

North korean teens defectors in yeo-mung alternative school, National capital area, Seoul, South korea

Child with her teacher in a primary school, Nyungwe Forest National Park, Gisakura, Rwanda

Islander Girl With School Works, Trobriand Island, Papua New Guinea

Teacher with hijab in classroom, Stonetown academy lamu, Kenya

Afar tribe girl writing on a wood board in a coranic school, Afar region, Afambo, Ethiopia

North korean teen defector in yeo-mung alternative school during a math course, National capital area, Seoul, South korea

North Korean children studying english in a park, North Hwanghae Province, Kaesong, North Korea

North Korean students working in a park, South Hamgyong Province, Hamhung, North Korea

List of the donkey race's attendees in mauilidi, Lamu, Kenya

Mursi tribe boy in a school, Mago park, Omo valley, Ethiopia

Chinese Girl At School, Xizhou, Yunnan Province, China

A nyangatom tribe teenage girl with sunglasses writes on a chalkboard, Omo valley, Kangate, Ethiopia

Hamer tribe kids in a school, Turmi, Omo valley, Ethiopia

Sudan, Kassala State, Kassala, rashaida tribe kid writing on the sand in a coranic school

Sudan, Port Sudan, Suakin, man writing on the wall of a ruined ottoman coral buildings

Chin children in a classroom, Mindat, Myanamar

Man writing on a billboard inside a temple, Mrauk u, Myanmar

Sellers of grains working on their business behind their stalls in their store, Kochi, India

Group of students in uniform studying sitting on the ground in front of the classroom, Mahabalipuram, India

Group of young boys studying in a bilal mosque madrassa, Mysore, India