National Assembly Majority Leader Aden Duale, unveiled his son's results after Thursday's release of the 2015 Kenya Certificate of Secondary Education (KCSE) examination outcome.
Aden Abdul Razak, who studied at Mang'u High School, scored a mean grade of A- with an aggregate of 77 points.
In individual subjects, Razak scored as follows: English B+, Kiswahili B+ Mathematics A, Biology A, Physics B, Chemistry B+, History A, and Business studies A-.
Duale could not hold his joy henece moved to twitter where he congratulated his son and the entire Mang'u fraternity.
Education Cabinet Secretary (CS) Fred Matiangi released the 2015 KCSE results Thursday morning, noting a total of 525,802 candidates sat for the examination which was an increase from 485,547 in 2014.
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