Mwariki secondary school is a mixed day school situated in Nakuru County, Nakuru Town West subcounty, Rhonda ward, southern zone.
It was registered on 24th April 2012 vide registration number PU/S/1/9599/12.
It stands on plot No. NAKURU MUNICIPALITY BLOCK 27/449 which is approximately 1.1988Ha. It is about 3km from Nakuru town along sewage road next to Mwariki primary school.
Currently it has a student population of 445 students (189 girls and 256 boys) It has two streams, north and south for all forms. It has nine T.S.C teachers and ten B.O.M teachers.
It is run by a Board of Governors appointed by the minister of Education.