Help with my niche

I’m a life coach. I’m looking to narrow my niche. What I’m keying in on is, life coaching for improved leadership, confidence and success for college educated professionals under 30.

Is this specific enough? Is it too specific?

Doing the narrowing your niche worksheet, I believe that someone would google something like “how to be a better leader” or “leadership tips”, I would definitely do keyword research.

Also, as far as phrasing my solution to their problem, how does this sound? “I teach you how to become a confident leader by raising your EQ (emotional intelligence).