I'm in the process of writing a blog post on investing as a student at the moment and would be happy to send it to you once published.
Short answer - it depends on what you need the money for. My advice would be to invest everything you can in low-cost passive index funds using the Vanguard platform.
This, for me, is the best mix of returns, low risk, low maintenance whilst being well diversified in a reputable, easy to use platform.
The earlier you invest, the more years you will benefit from compounding and starting investing now will... (More)