It is believed Trevyn Hope Joslin, 12, from Thorpe Marriott near Norwich, fell from a pommel horse and hit her head on a crash mat at Taverham High School.
She died at Addenbrooke's Hospital in Cambridge on March 19, a week after the accident.
Head teacher Ron Munson described the year eight pupil as "sunny" and "bright".
The inquest will take place at Norfolk Coroner's Court in Norwich.
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