Teenager killed after lorry crashes into a car carrying group of four friends By Paul Milligan Emily Challen, described as 'iconic figure' by her headteacher, was a sixth-form pupil at Kesteven and Grantham Girls School The headteacher of Margaret Thatcher's former girls school has paid tribute to an 'iconic' 17-year-old house captain who was killed when a car carrying four his pupils collided with a lorry on the A1 today. Emily Challen, a sixth-form pupil at Kesteven and Grantham Girls School, was one of four pupils in the vehicle when it collided with a HGV on a slip road of the A1 at Long Bennington in Lincolnshire. Police are investigating the cause of the crash which occurred at 8.15am as the girls travelled to school. Headteacher Graham Burks confirmed four of his pupils had been involved in the collision and described Emily as 'greatly loved.' Mr Burks said: 'A tragic accident occurred this morning involving four of our students whilst traveling to school. We believe one of the girls sustained a broken wrist, two were largely unharmed but, tragically, one did not survive. Emily Challen of Year 13 has been taken from us. Mr Burks said Emily was an 'iconic figure' who the whole school looked up to. He added: 'The school community is devastated. Emily was one of our House Captains, an iconic figure the girls admired and aspired to be like. The fatal accident occurred when a car carrying four pupils collided with a HGV lorry on a slip road of the A1 at Long Bennington in Lincolnshire She was very bright, very kind, a true leader amongst our students, and a truly beautiful young person. We were all immensely proud of her. She was greatly loved throughout the school community. Our thoughts go out to her family and friends. Officers were called to the slip road at about 8.15am after the crash between a Vauxhall Corsa and a lorry. The 18-year-old female driver was taken to hospital with an arm injury. Lady Thatcher is a former pupil of Kesteven and Grantham Girls School The 52-year-old lorry driver, from Grimsby, was not injured in the crash. Two other female passengers in the Corsa were not seriously injured, a police spokesperson said. Lincolnshire Police have urged anyone who witnessed the crash to contact them. A spokesman said: 'A blue Vauxhall Corsa with four passengers on board was in collision with a heavy goods vehicle on the slip road, leading from the village of Long Bennington to the southbound carriageway of the A1. A 17-year-old female passenger in the Corsa was certified as deceased at the scene. The 18-year-old driver was taken to Queens Medical Centre, Nottingham with arm and other injuries which are not believed life-threatening. Two other females in the car were not seriously injured. It is the sixth death on the roads of Lincolnshire in 2013 compared to four over the same period in 2012 when the full year total was 39.