The first few days of training will be largely self-directed and spent reading introductory articles and completing tutotials about the Text Encoding Initiative (TEI) standard.
The tutorial focuses on the newest version of the TEI, P5. You may be working with a previous version, P4 (i.e., IMH, Newton project), but the differences between the two versions are usually inconsequential in terms of learning the basics.
More or less in order
Tutorials & Sample Exercises