There are a few story maps and web maps that you can explore or come up with some questions.

Refugee maps/activities:

Story map on the 50 most populous refugee camps http://www.arcgis.com/home/item.html?id=56628d8f04124dcf8f3f83765ac04869

Web map on refugees by origin and destination 2014 http://www.arcgis.com/home/webmap/viewer.html?webmap=cb51e083e6b344febc83acfd6cb943fa

Web map on sea arrivals to Europe Jan-July 2015 http://www.arcgis.com/home/item.html?id=87d88e170a284b67925d363fcf306777

EU proposed immigration quotas https://www.arcgis.com/home/item.html?id=52db25321075463e9382c4be33605aba

Total Syrian refugees data https://www.arcgis.com/home/item.html?id=ddd5838f9bdc403db11114350cdbef34