London (CNN) On the eve of Ariana Grande's Manchester show, 18-year-old Georgina Callander tweeted at the pop star: "So excited to see u tomorrow." A day later the teen was killed along with 21 others in a bomb attack targeting concertgoers.

The bombing hit fans as they were leaving the Manchester Arena Monday night following the pop star's final song.

Bishop Rawstorne Church of England Academy confirmed to CNN that Callander, who attended the school between the ages of 11 and 16, was among the dead.

"The family called us at around 10 o'clock this morning to tell us the news," Peter Rawlinson, deputy headteacher at Bishop Rawstorne, told CNN.

"Georgina was a lovely young student who was very popular with her peers and the staff and always made the most of the opportunities she had at the school," the school said in a statement

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