Anyone here with kids who use outschool?

Hi all,

I am working on coolskool.io - an online platform where kids can learn creative subjects via zoom calls. My guess is my potential users will have a similar profile to outschool.com users.

Does anyone have ideas on what channels I can concentrate on to attract my potential users?
I found outschool through an online article. They were already heavily funded by then.

Thanks and have a great day!