Being able to read contracts and understand important terms of service clauses (especially for subscriptions like phone bills/insurance/jobs/privacy related matters). Stitching or darning cloth as well. And driving reply
I think that hygiene is the most important considering that most people don’t know how do it properly and schools should teach kids more than just washing hands. Some kids don’t have parents or guardians to teach them and some parents don’t know how to have good hygiene either so how are they gonna teach the kids reply