All about Chess
Learn to Play Chess
This is the best platform for kids to learn to play chess. It is has lessons, puzzles and lets you play against other kids or a computer. There is a free version with limited puzzles every day and a paid version which is unlimited. Chesskid.com is owned by chess.com which is one of the leading platforms for online chess in the world.
There are a number of research studies that support the thesis that playing chess improves academic performance.
These studies support the idea that playing chess increases math performance.
These studies support the idea that playing chess increases reading comprehension