There will be some you already know of but others that may be a surprise...
13. Anne Fine OBE
Anne Fine OBE, born December 1947, went to Northampton High School before going on to be a renowned children's author, winning numerous awards for her work. Photo: Gareth Cattermole/Getty Images
14. Michael Underwood
Michael Underwood, born in October 1975, went to Weston Favell Academy before going on to be a television presenter, best known for his appearances on CBBC and CITV. Photo: Anthony Harvey/Getty Images
15. Alan Carr
Alan Carr, born in June 1976, went to Weston Favell Academy before becoming a highly successful comedian, broadcaster and writer with a host of television and radio shows, winning numerous awards. Photo: Kate Green/Getty Images
16. Laura Tobin
Laura Tobin, born in October 1981, went to what is now The Duston School before obtaining a degree in meteorology and the joining the Met Office. Laura worked for BBC News, BBC Radio 4 Live and other BBC channels before joining Good Morning Britain. Photo: Gareth Cattermole/Getty Images