Intending to gain skills needed to become a privy councillor for the Thembu royal house, Mandela began his secondary education in 1933 at Clarkebury Methodist High School in Engcobo, a Western-style institution that was the largest school for black Africans in Thembuland
Pofuna kupeza luso lofunika kuti akhale phungu wa nyumba yachifumu ya Thembu, Mandela anayamba maphunziro ake a sekondale mchaka cha 1933 pa Clarkebury Methodist High School ku Engcobo, sukulu ya azungu yomwe inali sukulu yaikulu ya anthu akuda ku Thembuland