A curated list of the best resources
Beginners
Chess.com
Chess website where you can play games for free. Good video lessons for beginners.
Lichess.org
A free, no ads, open-source chess server where you can play games with people around the world.
Chess Club and Scholastic Center of Atlanta Youtube Channel
Free and instructive chess videos by Grandmaster Benjamin Finegold
STL Chess Club Youtube Channel
Entertaining and free video lessons by the STL Chess Club and their resident grandmaster.
Nice website for learning some BASICS and 33 cools ways to checkmate.
GATEWAY CHESS LEAGUE
A nonprofit that organizes and host high-quality scholastic chess tournaments throughout the St. Louis region