Although English is well spoken in the Netherlands, it will serve you to know (some) Dutch. Here are some options to get to know the Dutch language.
Dutch Language Café The Hague
Learn Dutch while socializing and doing fun activities! The Dutch Language Café is situated in The Hague. Check out their website, or go to their events page directly.
Dutch language courses
First: check your university if they offer any language courses for international students. Most of them have. If not, you can find some here:
ABC Dutch
Especially for students, located in the heart of The Hague in Haagse Bluf.
AvaLingua
Based in The Hague. These Dutch courses are all about interaction and practicing your Dutch in real life.
Direct Dutch
Lessons on all levels, located in The Hague
Future Learn
Learn to speak, write and understand basic Dutch, with this free, three-week, introductory foreign language course.
ROC Mondriaan College
Only for habitants of the European Union and Turkey. Costs are low.
Volksuniversiteit Den Haag
Learning the everyday language, the Dutch culture and the Dutch way of life.