The Waigani Committal Court was told the accused was taken in for his record of interview today with police. He was to appear in court today.
The 20-year-old from Goilala was arrested and charged with arson.
It is alleged the grade 12 student set alight a double-storey classroom on Friday 10 August after being disciplined.
More than 200 students lost their homerooms to the fire.
(Loop filepic of the burnt building)