The goal is not to raise a teen who knows everything. The goal is to help them leave home with enough practical understanding to avoid the most common early adult mistakes. That usually means starting with the skills that create stress fast when they are missing: money, bills, work readiness, paperwork, cooking, and day-to-day responsibility.
If you are not sure where your teen stands right now, start with a checklist first. If you already know the gaps, use the categories below to decide what deserves attention next.