Gill Bremner, head of Wilmslow High School, where Hannah Thomas-Jones was a Year 9 student, said she would be "sadly missed" by pupils and teachers.
She said: "Hannah's death is a very sad loss for this school. Our sympathies go out to her family at this time after such a tragic incident."
More top news
The 16-year-old, who has a social media following of over 15 million people, suffered two fractured ribs, a bruised lung and concussion.
Newly appointed minister Lord Ahmad pledged to review passenger screening procedures amid a spate of drunk passenger incidents.
The outspoken Birmingham MP tweeted a picture of locksmiths ramping up security at her home after facing fresh intimidation on social media.