What's the earliest a high school basketball recruit can sign or give a verbal commitment to a

Is it their junior year in high school? Going into their senior year? Can they only "verbal" and not sign?

What's the earliest a high school basketball recruit can sign or give a verbal commitment to a college?nba lottery

they can commit anytime during high school but it is rare that players are offered a scholarship until after their sophomore year. They can only verbal commit until signing period when they are a senior.

What's the earliest a high school basketball recruit can sign or give a verbal commitment to a college?nba champs ,nba teams

Junior year of high school