Question

what do high school students need to realize about their destinies?
destiny is predetermined.
destiny is shaped by external advice.
they have the power to shape their own destinies.

Explanation:

High - school students should understand that while external factors and some pre - existing conditions may play a role, they have agency. They can make choices, set goals, and take actions that significantly influence their future paths. So, they have the power to shape their own destinies.

Answer:

They have the power to shape their own destinies.