This is where you can start your journey of teaching chess. But before you start, you should know all the rules and regulations set by FIDE.
Take some time and go through this article:FIDE laws of chess
Once you understand the rules, you can start here for online coaching.
Tools I use to teach chess online
Topics of Level 2 : Yet to update
Topics of Level 3 : Yet to update
Topics of Level 4 : Yet to update
Topics of Level 5 : Yet to update
Chess Homework or Chess Worksheet
Make sure you use these Types of Chess Games to keep the kids entertained.
The above list may not have all the links, I will keep updating them as soon as I add all the topics.