What Class Should All School's Teach but Don't?

After viewing the slide show of the different classes that should be taught but aren't. I came to the conclusion that Personal Finance should be taught in school. I feel this way because we are going out into the world with no knowledge to

• manage money
• manage payments
• mortgage rates
• insurance 
• ways to save and invest money

We leave high school to grow up and go to college, and do not know how to manage our money. Unlike calculus, that some people may or may not use in their future, finance is something that we will all have to deal with the rest of our lives. The most valuable lessons should be taught.

In high school, I wish I could have taken Human Growth and Development at my school, BCTAL. It would have been very valuable to my job because I work with 5 years old and below. This class would teach me about the lifespan of humans, specifically physical, cognitive, emotional and social development. I also think that knowing the development of children would be helpful when I have my own children and students.