Pupils from Milngavie and Bearsden secondary schools delivered a set of first class results in the new National exams - according to figures.
This year saw school pupils sit the new National qualifications for the first time as part of the Curriculum for Excellence programme.
Across the district as a whole 66.5 per cent of S4 pupils obtained five or more passes atNational 5 level, while 95.6 per cent achieved five or more passes at National 4, and 96.8 per cent at National 3.
Due to the difference between the new National Qualifications and Standard Grade exams a comparison with previous years is not possible.
Initial analysis of SQA exam results data showed an overall continued rate of improvement.
There has also been further noticeable improvement in all the National Indicators at Advanced Higher and Higher levels.
Compared to both the 2013 and 2012 results, performance levels at Higher level continue to be very strong with outstanding results for schools within the authority.
Councillor Eric Gotts, convener of the council’s education committee, said: “As an education authority East Dunbartonshire is consistently among the top performing areas in Scotland when it comes to pupil attainment and we are rightly proud of our excellent reputation.
“The council appreciates the hard work of our employees and pupils in this the first year of the new S4 National Qualifications.
“Our schools will continue to build on this platform for future years as the new qualifications framework is implemented.”
Level five of the new National Qualification roughly equates to a Standard Grade credit intermediate 2; four is a Standard Grade intermediate 1; three is Access 3 Standard Grade (foundation level); and national one and two are similar to the old Access 1 and Access 2 levels.
The new National Qualifications were introduced in August last year.