It was made known the boy was seen last in class after he said he want to urinate but later found his dead body at about 9:30 am,Daily Trust reports.
One of the teacher claimed while speaking about the anonymity that the boy might have been dragged into the building and murdered.
Some of the student said the boy was murdered by a man who they saw,jumped over the school's fence.
The students reportedly chased the man but is reported to have lost him at Garin Maina.
Some who saw him in a close range claimed he looked like an ex-student of the school.
Bulus Ndam,the Yobe state Police PRO said the corpse of the deceased was discovered at about 9:30am and that a suspect identified as Adamu Yusuf Kunle, has been arrested in connection with the murder.