IMHO a bit of low scaling doesn't really make too much of a difference as long as you know what you're doing. I just did my HSC at StGGHS this year, and a girl from our grade who did General Maths got 99.8 or something brilliant like that.
Yeah, I LOVE him. He's the coolest teacher ever.... It'd be so cool if we had him next year. I think it'd make up for having Cummins for so long... bloody John Foulcher...