Courchevel
The deepest bench of ski schools in the valley, free beginner lifts at each village level, and vast gentle groomed terrain to progress onto.
Courchevel is the clear number one. Each of its villages has its own gentle nursery area, several beginner draglifts are free to use, and the ski schools here are the largest and most internationally minded in the Three Valleys, so booking a proper English speaking lesson in a busy week is realistic. Above the resort sit wide, beautifully groomed greens and easy blues that let a learner build mileage without ever feeling out of their depth.
It takes top spot because it pairs the best teaching with the most generous easy terrain and a genuinely supportive learning culture. It is also the most expensive base in the valley, so you pay for the privilege, but for the quality and confidence of a first week, no resort here does it better.