I thought that I’d be doing something more at this age and I’m afraid I’m running out of time to improve myself before I get stuck being at this level

Take an online aptitude test. It's a good place to start. Next, get a pen and paper and list your goals in three sections, short-term, mid-term, and long-term. And while doing that, think really hard about what you're passionate about. Then after that's all figured out. Write a mantra to read every morning and shape your focus for the day.