Cornelius Christoffel Greyling was awarded the National Senior Certificate from the Republic of South Africa. He achieved levels 7 or higher in 7 subjects: Afrikaans Home Language, English First Additional Language, Mathematics, Life Orientation, Accounting, Agricultural Science, and Physical Sciences. This certificate qualifies Greyling for admission to bachelor's degree, diploma or higher certificate study programs at South African higher education institutions, subject to their individual admission requirements.