Malala's dedication to her studies has paid off, according to her father Ziauddin Yousafzai, who tweeted that the 18-year-old had achieved six A grades, the highest possible, and four As, the second highest, in her O-level exams.

"My wife Toor Pekai and I are proud of Malala getting 6A*s and 4As. #education for every child," wrote Yousafzai. Malala was shot by the Taliban after writing a diary about life under their rule in North-West Pakistan.

Last year, she became the youngest person ever to win the Nobel Peace Prize. She was declared joint-winner along with India's rights activist, Kailash Satyarthi. Malala, who now attends Edgbaston High School in Birmingham, achieved particularly well in the sciences, with top A* grades in biology, chemistry and physics - as well as in religious studies.

She also scored As in history, geography, English language and English literature. Malala first came to public attention through her anonymous diary, published on a news website, which chronicled her desire to remain in education and for girls to have the chance of an education.

At the time, scores of girls' schools were being destroyed by militants in the Swat valley where she lived. She survived being shot in the head by a Taliban gunman in October 2012 and was eventually flown to the UK for treatment and rehabilitation.

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