This stunning recognition is to acknowledge Barberon's outstanding performance in the June 2019 Cambridge examination series.
"It is extremely rewarding to congratulate Charlotte and her teachers at the International School of Luxembourg who have worked so hard to achieve tremendous success in Cambridge IGCSE Additional Mathematics examinations," said ISL Director Nicki Crush.
The Outstanding Cambridge Learner Awards programme celebrates the success of learners taking Cambridge examinations in over 40 countries around the world.
Crush said of the achievement; "The results are a reflection of the enormous talent at ISL not only amongst learners but also within the teaching profession."
