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WP:GRL

This is a list of pages one might consider essential reading for becoming a well-grounded Wikipedian:

Beginner[edit]

Wikipedia:Contents - know your way around the encyclopedia!
Wikipedia:Department directory - know your way around the community!
Wikipedia:Introduction - Hi! The very basics.
Wikipedia:Tutorial - quick lessons to get you started.
Simplified Ruleset - the basics on what to do and not to do in working on Wikipedia and working with other Wikipedians.
Glossary of Wikipedia jargon - understand what others are talking about.

Contributing to Wikipedia - where to jump in and help.
Wikipedia:How to copy-edit - Proofreading and copyediting
Links - how it all hangs together.
Cheatsheet - simplified wiki-markup code set. (Formatting text, headings, etc.)
Deletion debates - the procedure for removing pages from Wikipedia.
Vandalism - join the perpetual battle against those who would do Wikipedia harm.

Intermediate[edit]

How to edit a page - comprehensive wiki-markup instructions.
Community Portal - keep up with current events on Wikipedia.
Templates & Transclusion - what those mysterious double curly brackets are for!
Patrol - Wikipedia's various patrols, for monitoring various page types for maintenance and general administration.
Portal - what portals are and how to build them.

Wikiphilosophy - the various guiding principles behind editors' actions.
Keyboard shortcuts - the fast way to operate.
Policies and guidelines, List of policies, and List of guidelines - the complete rules.
Tools & Tools by function - how to do things faster, including searching, editing, etc.
Watch - public watch list: keep track of essential areas.

Advanced[edit]

Administrators - What they are, what they do, and how to become one.
- Administrators' reading list

Bots - Automated maintenance of Wikipedia.

See also[edit]

Beginner

Help:Contents/Getting started - Another good place to begin.
Help:Contents

Intermediate

Virtual classroom - discussions and assignments for learning Wikipedia's operations better.
Wikipedia:Editor review (now defunct) - check out the archive, which is loaded with feedback given to other editors. Learn from the mistakes of others and thereby avoid making the same mistakes yourself.

Advanced

Wikipedia:Requests for adminship - when you are ready to become an admin, this is the place to apply (though it is better to have someone nominate you)

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