GCSE's In Sixth Form and AS Levels Urgent for Med!

Hi, I want to study Medicine at uni as a undergrad or graduate i am not fussed but i did not get the best GCSE Results 4A*s BTEC Science, A in RE, B in Additional Science, B in Psychology, C Maths (Resit In November to get a B or A* Hopefully), C English Lang, Core Science (C), Electronics (D).

GCSE's I am doing this year

WJEC English Lit (Higher) Hopefully a B or A
Edexcel Maths Linear (Higher) Hopefully a B or A*
Edexcel Russian Short Hopefully B or A
AQA IGCE Chemistry Hopefully A or A*
AQA IGCSE Biology Hopefully A or A*
AQA IGCSE Physics Hopefully C or B

AS Levels This Year

WJEC English Combined
AQA Chemistry
AQA Biology
AQA Psychology

Can anyone recommend anything i can do to get straight A's in Sixth Form? Any advice is really helpful. How should i be ultra organised? Thanks!

Bump

Simply, work very hard, you had a social life? not anymore. You will need to work so hard to improve and you will get a lot of work. It might be an idea to not do 4AS levels this year. Do 3AS then carry them on to A2 and do a 4th AS in year 13 so you can also do work for your GCSE retakes