South Africa's National Benchmark Tests (NBT) are a university-readiness diagnostic, administered by CETAP at the University of Cape Town on behalf of participating institutions, sat alongside β never instead of β the National Senior Certificate (NSC) matric exam. Its defining structural feature is its explicitly complementary role: while the NSC certifies mastery of the school curriculum, the NBT tests whether a candidate is genuinely ready for university-level academic demands, reporting results as Proficient, Intermediate, or Basic performance levels across Academic and Quantitative Literacy (AQL) and, for programmes that require it, a separate Mathematics (MAT) component. Because a weak NBT result typically triggers additional academic support rather than blocking admission outright, the test functions as a genuine diagnostic tool rather than an independent admission gate β a structural distinction that sets it apart from nearly every other exam in this guide. Offered on multiple sitting dates throughout the year rather than concentrated into one annual exam period, the NBT gives South African university applicants real scheduling flexibility uncommon among standardized academic tests.