additionally to gaining the 3 C's you must also gain Higher School Certificate to get University Entrance. Though to their benefit, the University of Canterbury ignores that and lets anyone in who has the three C passes

and to gain Higher School Certificate you must complete 5 years at High School, not just completeing 7th form. Which

Also having gained a B bursary and not HSC I know the sadness of missing out on a stupid qualification that becomes pointless if you end up at university