Life Skills You Wish You Learned In School

According to The Mirror, A recent study asked what life skill they wish they learned in school, and the top 5 results were: 1) How to save money. 2) How to organize your finances. 3) How to invest. 4) How to take care of your mental health. 5) How taxes work.

If you had to go back into school again, what life skill would you want to learn?