Penny mentioned above that CBD is legal in all 50 states. Please be careful and check your local laws. It may be only allowed for specific applications or under a doctor’s supervision.
I know here in Alabama, it is ONLY legal for treating certain types of pediatric epilepsy in a hospital setting. It is not legal to buy over the counter or possess for home use. There were some businesses shut down here recently because they thought it was OK to sell, but it is not.
So please get familiar with law & policy in your local jurisdiction. Especially if you’re considering letting your kid carry it to school.