The Sydney school girls who topped the world

By Alexandra Smith
Updated January 28 2018 - 9:43am, first published January 4 2018 - 6:07pm
Redlands Students who participated in the IB , Lori Zhou 17 and (blue top) Charlie Rogers 18
Pic Nick Moir 4 jan 2018
Redlands Students who participated in the IB , Lori Zhou 17 and (blue top) Charlie Rogers 18 Pic Nick Moir 4 jan 2018

For two Sydney girls, scoring a perfect mark in their final year 12 exams also means they are the top students in the world.