Sherrardswood School had 90 per cent of students achieve A*-C grades in their GCSEs.
In science, 100 per cent of students got an A*-C grade, as did students in humanities, art and music.
Outstanding performers included Stephanie Pemberton, who gained six A*s, six As and one B, and James Thorpe, who got five A*s, four As and one B.
Head of senior, Anna Wright, said: “We are delighted that the hard work and dedication of our students and teachers has been so well rewarded.
“These results are a real testament to the school’s commitment to bringing out the best in each individual student.”
* For more GCSE results news, visit the Welwyn Hatfield Times’ education section.
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