Leadership starts with a personal vision, have one

Take some time to think about these questions. Why are you doing what you are doing? Why are you working so hard? What kinds of experiences do you want to have in your life? What drives you? What are you trying to achieve? If you have clear answers to the these questions, well done, you are already a huge step towards becoming a better leader (of yourself in the first place).
I firmly believe every young person needs a personal vision. We all need to be clear about where we want to take our lives, the contribution we want to make and use that as the standard to set and evaluate our short and long term goals and activities. Of course, a vision is not set in stone, it is rather a compass that directs you toward what you have decided to prioritise in your life. When and if what you want out of your life changes, you review your vision and recalibrate your daily activities and goals to take you on your new destination.
Your personal vision is also the standard you use to determine which things you need to say no to and which environments best suit you. You should constantly be checking whether the activities you are engaged in right now are supporting you towards achieving your ideal self.

Having a personal vision is crucial for leadership. Your vision is the reason why you care so much about something, and the reason why you are working so hard to achieve the things you are pursuing. Your personal vision makes it easy for those around you to know who you are and what you stand for. This in my view is the foundation of leadership, everything else is secondary.
A common mistake, especially for us young people, is to do things just because other people are doing them or because others say so. Your personal vision is not what your parents, or teacher or anyone else wants you to achieve; it is about what you want to make out of your life.
With a personal vision, you are clear about who you are, why you are doing the things you are doing the way you do them, and what you are trying to achieve. This is how you set yourself a strong foundation to succeed and be fulfilled in life.
If you find yourself losing your motivation and feeling confused too often, I recommend you take some time to seriously think about what you truly want out of your life and ask whether the things you are doing on a daily basis are helping you become more of the person you envision yourself to be. Then think about things you can start doing right now to be more of that person with every passing day.
You do not want to be the ship without a destination, a vessel floating aimlessly in the big ocean. Have a vision for your life and help those around you know what you stand for.  And that my friend is the foundation for leadership and success in life.