Here are some of the educational resources I've written about cartography:

Quick Cartography (video series)

Mapping with purpose (article)

Map projections (articles, videos, and tutorials) 

Design symbology for a thematic map (tutorial pair)
Cartographic creations in ArcGIS Pro (tutorial series)

Cartographic creations with web maps (tutorial series)

Design a layout in ArcGIS Pro (tutorial series)

Design a layout in ArcGIS Experience Builder (tutorial series)
Common skills for working with data in ArcGIS Online (tutorial/video series)
Common skills for working with data in ArcGIS Pro (tutorial/video series)
Cartographic conventions (article) 
Cartography checklist (article)