Schools in Hethersett and Wymondham celebrated an increase in the number of pupils who achieved A*-C grades in English and maths GCSEs.
Hethersett Academy celebrated a record-breaking number of students achieving A*-C grades with 86pc - a seven percentage point increase on last year.
Principal Gareth Stevens said he was thrilled with the results.
'Our Year 11 pupils have been a fantastic year group with many talented students who deserve the excellent results they have achieved,' he said.
'They have exceeded all the targets set for them and have been superb ambassadors for the school in many ways.'
At Hethersett Old Hall School, headmaster Stephen Crump was celebrating another good year of results. The percentage of students who gained A*-C grades in English and maths was up by four percentage points on last year, at 85pc.
Mr Crump said: 'A great deal of hard work has gone into obtaining these results and I congratulate all the candidates and, of course, their hard-working teachers, on their achievement.'
Wymondham High Academy saw 74pc of students gaining A*-C in English and maths - a five percentage point increase on last year.
Principal Jonathan Rockey said: 'These results reflect the superb efforts and dedication by pupils, staff and families and really reflect the Academy's vision of inspiring excellence.
'We wish pupils well in the next stage of their learning.'
Jonathan Taylor, principal at Wymondham College, praised pupils on their 'exceptional' set of results.
The percentage of students gaining A*-C grades was 89pc - an increase of one percentage point on last year.
One stand-out student was Oliver Marlow, who achieved 14 A grades. And 32pc of grades awarded were A*s and As.
Mr Rockey said: 'This is an exceptional set of results. Congratulations to all of our Year 11 students who have worked so hard to achieve such fantastic outcomes and to staff and parents for their amazing support.'
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