Jessica Brown was the Sawbridgeworth secondary's highest achiever, with nine grade 9s and one 8.
Isabella and Olivia Copeland are weekly boarders at Felsted and were part of the school's 2019 national cup-winning under-18 cricket team.
Anton Trusty got 9s in all 11 of his subjects while Sakura Fish achieved ten 9s to go with the A* she got in Japanese in 2018.
Principal Duncan Roberts said: "They have overcome unique and specific challenges that no previous GCSE student has had to face."
Tom Johnston: "We're immensely proud of them all and it's wonderful to see their confidence and maturity as they celebrate their successes."
Olivia Fairall, Toby Kerrison and Edward Pulfer staying on for A-levels while elite athlete Innes Dunlop's off to Millfield on triathlon scholarship.
In Year 10 Alexandra Lapadatu was getting grade 3 in her least favourite subject, geography – now she's off to college to study it at A-level.
Beth Parker got 11 GCSEs at the highest grade 9 while Morein Abdelmalek, Felicity Davenport, Lucy Kay and Emilia Payne Smith achieved ten 9s.
Principal Dr Chris Ingate pays tribute to the achievements of every GCSE student at the Bishop’s Stortford secondary.
Robin Munday achieved nine 9s and an 8, Rohan Rana got eight 9s and two 8s and five more boys secured seven 9s.
Cohort of 122 surpass global points average, 48 get A-level equivalent of four A*s and one A, and six achieve maximum score.
All six Oxbridge candidates have had their places confirmed and 84% of students obtained a place at their first-choice university.
The Essex private school's A-level cohort of 94 students achieved a 100% pass rate, with 57% of grades at A* or A.
"Few year groups have faced the remarkable challenges that these young people have tackled with such good humour, optimism and dedication."
Andrew Celano: "As these students were in Year 7 when I began as head, I can say it's been a real privilege to watch first-hand how they've grown."