School backgroundpublished at 12:11 British Summer Time 7 September 2020
Kesgrave High School, on the town's Main Road, has 1,870 pupils aged between 11 and 18, according to Ofsted's website.
It was most recently inspected in December 2017, when it received a "good" rating.
In an update on the school's website ahead of its new term this month, Monday was the first day Year 9 and 11 pupils would be back in school for the new academic term as part of the gradual return of students.
The pupil involved in the reported shooting is thought to be in Year 11.