For general information see the Justice Ministry's Immigration and Naturalisation Service (IND)  website.

For more specific information on living, working and studying in the Netherlands go to  New to Holland, the official website of the Netherlands on immigration. This website provides information about the arrangements you will need to make if you come to the Netherlands, whether temporarily or permanently. The information provided is geared towards your personal situation. That is why the site asks some questions about your circumstances. After answering the questions, you will see a list of subjects that are relevant for you. You can also choose a subject directly.

For student visas only, go to the Nuffic site's  visas page.