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How do I save for a child's college education in the US?
Use the '2K rule' to save for your kid's college educationFidelity recommends you multiply your child's age by $2,000 to figure out how much you should save.A tax-advantaged 529 plan can boost your college savings.The average 529 plan investor has more than $32,600 in their account when their scholar reaches age 17.
What is a 529 plan?
A 529 plan is a tax-advantaged investment vehicle in the U.S. designed to encourage saving for the future higher education expenses of a designated beneficiary.

Question: How does it work
Self-contained rewrite: How does a 529 plan work?