The school in Upminster said 68 per cent of all results achieved were graded between A* and B, up from 60pc in the previous year.
Almost a third of all grades were at the highest level of A*/A.
A school spokesperson said many students have confirmed their places at Russell Group universities, including Oxford and Cambridge, where they will study subjects ranging from medicine to engineering and the arts.
Gus Siggins (Image: The Coopers’ Company and Coborn School) A growing number of students also secured degree apprenticeships with leading companies.
Gus Siggins and Poppy Clay both achieved A* grades in all their subjects.
Gus said: “I’m absolutely thrilled with my results and can’t wait to start at UCL in September.
“It was a nervous wait, but the hard work paid off, and I’m so grateful to the school and staff for their help and support over the years.”
Poppy Clay with her results (Image: The Coopers’ Company and Coborn School) Poppy achieved A*s in economics, history and PE.
She is going to University of Exeter to study sports science and economics.
Headteacher Sue Hay said: “I am incredibly proud of every single one of our students.
“These outstanding results are a direct reflection of their perseverance, intellectual curiosity, and unwavering focus over the past two years.
“Our school motto is ‘Love as Brethren’, and we see that spirit lived out every day.
“It is this culture of mutual support, collaboration, and community that provides the foundation for our students to thrive.”
The school, which has a history dating back to the 16th century, congratulated its Class of 2025 for their achievements.
Deputy headteacher Rob Bell added: “It is a privilege to see this cohort’s hard work pay off so magnificently.
“To see them now progress to such a wide array of exciting futures, whether at world-class universities or on pioneering degree apprenticeship programmes, is wonderful.”