29 June to 22 July and 23 July to 15 August 2020 in Giecz (Poland).
The non-profit organisation Slavia offers a Field School in Mortuary Archaeology consisting of hands-on training both on an ongoing excavation and with processing the recovered remains in the laboratory.
There are two sessions. The application deadline is rolling until all spaces are filled. Slavia recommends to apply before 15 March 2020. Get more information from the field school webpage.