I think if you're a 'tiger parent' early on, you don't need to be a 'helicopter parent' in high school.
Instilling a sense of self-discipline and focus when the kids are younger makes it so much easier by the time they get into high school.
When I'm not the Tiger Mom, I'm a professor at Yale Law School, and if one thing is clear to me from years of teaching, it's that there are many ways to produce fabulous kids. I have amazing students; some of them have strict parents, others have lenient parents, and many come from family situations that defy easy description.
When I was little, my parents really only wanted me to be a scientist or a doctor; they had never even heard of law school. I think even these days if you were to tell your mother you want to be a fashion designer, or an artist or a writer, a lot of Asian parents would be alarmed because they don't think that's a secure career.