Almost a quarter of all GCSE students (24%) in Barking and Dagenham achieved the new top grades of 7 to 9 in English, exceeding the national average of 17%.
This year saw the introduction of a new national grading system for English, English literature and mathematic, replacing the traditional G to A* grades with a numbered result from 1 to 9.
Figures show 63% of students in Barking had achieved the headline figure of a grade between 4 to 9 in English and Maths, an improvement on last year's 60%.
Councillor Evelyn Carpenter, cabinet member for educational attainment and school improvement, said: "I am delighted to see almost a quarter of all our pupils achieve the top grades in English, and to see GCSE results improve as they have is a testament to the dedication of our students, teachers, and headteachers.
"Once again our results have seen year on year improvements and this demonstrates Barking and Dagenham is as good as anywhere to give young people the best start to their education."
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