Rhino 5 for Mac is nearly complete according to McNeel, the developer of Rhino. With this the price will increase to € 195 at the beginning of the new year. There will be one or two more service releases (for free), but no more major features will be added. Check https://www.rhino3d.com/sales/europe/Netherlands/all/ for resellers in the Netherlands and more information about this great offer. Prices are likely without 21% VAT (BTW).
The educational versions of Rhino (for Mac) are the same as commercial version and you are also allowed to use it for commercial purposes. More details about these conditions can be found on https://www.rhino3d.com/edu.