The school year calendar is uploaded during June of each year. It is then updated on a regular basis and managed by the school front office. Note that you can export this calendar on your computer and syncronize it with your phone. It is the best way to know at all times what is happening in school.
School Calendar 2015-2016 from here.
School Calendar 2016-2017 from here.
How to use this calendar?
For useful tips on how to use this calendar, click here