Im currently rank 52/69 for 4U at a school that regularly gets 30 band 4s (40+/50) , and 38 Band 3s (30-39/50) for HSC Math ex 2.
If I for my 3rd assessment and trials, I get in the top 20 for both, is it possible for me to achieve a final HSC mark of 45/50 for 4u?