As a language school we do not provide accomodation for our students, but we can recommend several cool places to stay in! The classes are held in the city center so we recommend that you book your accomodation in the vacinity of Ban Jelačić Square.
With more than 30 hostels in Zagreb you have a wide range to choose from and you can book them directly via: https://www.hostelworld.com
Zagreb offers plenty of beautiful and luxurious hotels in the city center. Here is a list of the top 10 hotels in Zagreb: http://bit.ly/10tophotels
You can book you room directly via booking.com: http://bit.ly/BookingZagreb
If you prefer to have your own space and more room to relax, there are a lot of apartments ready for rent on websites such as https://www.airbnb.com