( CNN ) The abduction of more than 200 schoolgirls a year ago this week captured global attention and inspired the hashtag # BringBackOurGirls , but the horrors for Nigeria 's children are widespread . `` Around 800,000 children have been forced to flee their homes as a result of the conflict in northeast Nigeria between Boko Haram , military forces and civilian self-defense groups , '' UNICEF said Monday . The `` number of children running for their lives within Nigeria , or crossing over the border to Chad , Niger and Cameroon , has more than doubled in just less than a year . '' UNICEF released a report on the crisis titled `` Missing Childhoods . '' It also launched a social media campaign using the hashtag # bringbackourchildhood . The campaign has `` leading Snapchat artists '' sharing images based on drawings from children in Nigeria , Chad , Niger and Cameroon . Artwork can also be seen on Facebook , Twitter , Instagram and Tumblr . More than 1.5 million people have fled their homes due to the violence , UNICEF said . About 1.2 million are displaced internally , while others have crossed into Cameroon , Chad and Niger . `` The vast majority of the displaced -- more than 880,000 -- are staying with host communities with little access to humanitarian support , putting additional strains on already stretched health , education and social services , '' it said . The April 14 , 2014 , kidnappings at a girls school in Chibok by the Islamist group Boko Haram `` is only one of endless tragedies being replicated on an epic scale across Nigeria and the region , '' said Manuel Fontaine , UNICEF regional director for West and Central Africa . `` Scores of girls and boys have gone missing in Nigeria -- abducted , recruited by armed groups , attacked , used as weapons , or forced to flee violence . They have the right to get their childhoods back . '' Kids are being used by Boko Haram as combatants , cooks , and lookouts , UNICEF said . `` Young women and girls are being subjected to forced marriage , forced labor and rape , '' it said . At least 196 teachers and 314 schoolchildren were killed in 2014 , and more than 300 schools were damaged or destroyed .
800,000 people are displaced , including More than 1.5 million children , UNICEF says . The kidnappings that inspired # BringBackOurGirls were a year ago this week . UNICEF is launching a # bringbackourchildhood campaign .