 Aluko started her career at Leafield Athletic Ladies and subsequently played for Birmingham City Ladies' youth team under manager Marcus Bignot with future England teammate, Karen Carney.She scored on her Birmingham team debut against Leeds United, aged 14.On 7 April 2002, 15-year-old Aluko played for Birmingham in the FA Women's Premier League Cup Final at Adams Park, as the young Birmingham team lost 7–1 to professional Fulham.