The ICS Family Handbook 2011-12 can be downloaded here, or read it online below. (Requires Flash.)
It has lots of useful, general information about life in both the primary and secondary schools, including details of how the school day runs and expectations for classroom behaviour and home learning.
Here you can download the Primary Curriculum Guide 2011-12. (Be warned, it is large: 2.38 MB.) Or you can read it online below. (Requires Flash.) It has specific information about learning in the primary school, with details of the units of enquiry the students will be studying and the skills they will be encouraged to acquire and practise.
For full details of the Middle Years Programme curriculum, please see the web pages in the School Life / Secondary School section of this website.