I am a product of Detroit Public Schools. When I graduated, each person was supposed to do at least one year of a 'foreign language'. Not sure of a better term to be inclusive of ASL, but wouldn't it be grand if a year of ASL was offered?
In High School, at least, all the kids could have a chance to learn the Alphabet, Colors, Numbers and some simple greetings.
I have niblings (nieces and nephews) and I am sure to teach them all the IMPORTANT stuff: cookie, ice cream, bathroom, mother, father, eat, hungry, sleepy, and the alphabet, too. All before they start school. I think that woul