There's this for self-directed:
https://documentation.meraki.com/MS
🙂
I said that partly to be funny, but also because the Meraki docs are really decent. There's two deployment guides in there, while short, provide a good overview. There's a ton of feature specific stuff in there as well that I certainly recommend that someone new to Meraki at least skims so they have an idea of what topics are covered.
What you won't get from the Meraki documentation is in depth protocol knowledge, or core networking fundamentals. Most Meraki docs assume a CCNA level of knowledge.