A total of 1,214,031 candidates sat the exam in 28,313 centres between March 7 and 9 and were tested in seven subjects.
Ms Macharia said the commission will act firmly and expeditiously on the teachers who will be found guilty of aiding in irregularities.
Some 320 Kenya Certificate of Primary Education exam candidates and invigilators, who were involved in exam malpractices, will know their fate in two weeks.
Education Cabinet Secretary George Magoha on Monday directed the Teachers Service Commission (TSC) chief executive Nancy Macharia to take appropriate action against the tutors involved.
