Many students in Australia don't have access to specialist teachers in science and maths, and the problem is only getting worse.
There's been a drop in the number of people enrolling in teacher preparation courses. This is due to problems such as pay, professional autonomy, and a national obsession with standardised testing.
Policy needs to focus on making the teaching profession stable and more appealing. South Africa must ensure its locally trained teachers have more reason to stay in the country.
A look at the issue of class sizes.