Students from the sea port city of Hodeidah stand at the gate of a school before attending their final exam in Sanaa, Yemen on June 30, 2018. According to the Saba news agency, 1,873 displaced students who were forced by conflicts to flee Hodeidah took the final exams in Sanaa on Saturday. (Xinhua/Mohammed Mohammed)

A student from the Sea Port city of Hodeidah reviews before he attends his final exam in Sanaa, Yemen, on June 30, 2018. According to the Saba news agency, 1,873 displaced students who were forced by conflicts to flee Hodeidah took the final exams in Sanaa on Saturday. (Xinhua/Mohammed Mohammed)

Students from the Sea Port city of Hodeidah attend their final exam in Sanaa, Yemen, on June 30, 2018. According to the Saba news agency, 1,873 displaced students who were forced by conflicts to flee Hodeidah took the final exams in Sanaa on Saturday. (Xinhua/Mohammed Mohammed)

Students from the Sea Port city of Hodeidah attend their final exam in Sanaa, Yemen, on June 30, 2018. According to the Saba news agency, 1,873 displaced students who were forced by conflicts to flee Hodeidah took the final exams in Sanaa on Saturday. (Xinhua/Mohammed Mohammed)

Students from the Sea Port city of Hodeidah attend their final exam in Sanaa, Yemen, on June 30, 2018. According to the Saba news agency, 1,873 displaced students who were forced by conflicts to flee Hodeidah took the final exams in Sanaa on Saturday. (Xinhua/Mohammed Mohammed)

A student from the sea port city of Hodeidah attends the final exam in Sanaa, Yemen on June 30, 2018. According to the Saba news agency, 1,873 displaced students who were forced by conflicts to flee Hodeidah took the final exams in Sanaa on Saturday. (Xinhua/Mohammed Mohammed)