Machakos School, otherwise known as Machakos High School, is a boys national school located in Machakos county in Kenya. The school started in a modest way in 1915 as a Boys’ Primary School at the current Machakos Girls grounds. It was known as Africa Government School. It was not until 1939 that it changed into a boys Secondary School. In 1946 the first batch of girls were admitted making it a mixed school. It used to take students up to Form 2. The Principal of the school then was called Mr. Martin making the school to be referred to by the locals as “KwaMatingi” a corruption of for “At Martins”.