What is the minimum age requirement to play NCAA basketball?

In NCAA basketball, there is no specific minimum age requirement set by the organization itself. Instead, the NCAA stipulates that athletes must have completed high school to be eligible to participate. This means that while there isn't an age limit, typically, players must be at least 18 years old since most high school students graduate at that age. However, the focus is primarily on the completion of high school rather than a strict age requirement. This approach allows younger athletes who have met the educational criteria to compete, provided they also conform to any additional eligibility requirements set forth by the NCAA or their respective member institutions.

Thus, the correct answer emphasizes that the completion of high school is a prerequisite, and age is not explicitly defined as a barrier to eligibility.