The whole idea of the schools is to give a higher quality education to high achieving kids who can't afford private school fees. Like I said, those people are just trying to save themselves money and you can't blame them, but I would say the majority of kids in the schools are not the kids that the schools were created to serve. They are kids that would be going to private school if they hadn't gotten into a select entry school.
Yeah I'm well aware of the existence of those people. I have several families in my street who would probably fit the description. The ones that have "good kids" who are putting in a lot of effort at school and getting good grades, those are the kids the select entry schools should be serving. But such kids are a minority in those schools.
I don't agree that those schools are to service poor kids. They are to service high achievers. I disagree that ANYONE should NEED to go to a private school to get a decent education.
Where the current system seems to be broken is the way that year 12 results are adjusted and manipulated , giving an average kid in a high achieving school a better result than the same kid in a low achieving school. "Sorry kid, we've rigged the system so the nuffies drag you down ". Even the Universities seem to be getting impatient with this system.
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English compared to English as an additional language.
Lots of Universities demand a minimum score in these, but the level of English those who fail to achieve the standard in the former remains higher than many of those who go through with the latter.
Further Mathematics compared to Mathematics Methods.
Methods is much harder. Students who have done both have ended up ( even after adjustment ) with a much higher score from the Further, than they get from Methods. ( they might get 95% in a Further exam compared to 70% in Methods ).
However those students who got 70% in methods probably have a much greater grasp of mathematics.
Probably lots of other examples.