Instructions on how the students can import their existing diagrams:

1) Copy the Rose template to their project folder.
2) Rename the model file to include their project name and number.
3) Open the template file in Rose.
4) Select File | Import.
5) In the dialog box that appears, select Model Files in the Files of Type field. 
6) Select their old model file & click OK.
7) Move diagrams and model entities from their current folders to the correct folders in the template.  (They can add folders if need be).