There will be some you already know of but others that may be a surprise...
9. Chantelle Cameron
Chantelle Cameron, born May 1991, went to Northampton Academy before going on to be a world champion professional boxer and current older of the WBC female light welterweight title and IBF & Ring light-welterweight titles. Photo: Leigh Dawney/Getty Images
10. Louise Pentland
Louise Pentland, born April 1985, went to Northampton High School before going on to be an internationally renowned beauty, motherhood and lifestyle blogger millions of subscribers across a number of channels. Photo: Gareth Cattermole/Gareth Cattermole/Getty Images for Focus Features, UNIVERSAL Pictures And Carnival Films
11. Ellie Robinson
Ellie Robinson, born August 2001, went to Northampton High School before going on to compete in the Paralympics as a swimmer, winning the gold medal in Rio in 2016, as well as numerous European medals. Ellie was awarded the MBS in 2017 and also the BBC Young Sports Personality of the Year in 2016. Photo: Vince Caligiuri/Getty Images
12. Eliza Manningham-Buller
Eliza Manningham-Buller, born July 1948, went to Northampton High School before becoming director general of M15, the second woman to hold the role. She was appointed a Dame Commander of the Order of the Bath in 2005. Photo: AFP via Getty Images