There are a lot of different directions a psych major can take you in, from counseling to research or even to educational administration. Do as much exploring as you can once you hit those college classes. Say yes to volunteering opportunities, shadowing experiences, and summer internships.
As you’re preparing for the college classes themselves, take a moment to consider yourself as a student. What worked well for you in high school? Where did you struggle? Were you able to keep up with all your homework? Study for tests effectively? Keep yourself organized? If you had a method for any of this stuff that worked well for you, gather the things you need to keep doing it once you reach college! If you struggled with these kinds of things, start asking around for advice on how to improve, and try out some new methods as soon as you’re able. You’ll have to be a lot more independent with your college courses than you were in high school.
Finally, as a psych major specifically, be ready to adapt. Some students don’t realize how important their math skills are to psych until they hit their first statistics course. Some students struggle through courses because it seems like they can see within themselves every new psychological difficulty they study. My favorite adaptation example is when my educational psych professor told the class “never tell a student that they are smart”. She forced us to change our entire way of thinking using that line as an introduction to Carol Dwek and growth mindset.
I loved my psych courses in college - I hope you will also!
Alison recommends the following next steps:
Psychology is also becoming a very interdisciplinary field. One of the recent trends (that I think will become much common in future) is with Computer Science, specifically applying machine learning algorithms. So, if you are interested in researcher / analyst directions either in industry or academia take courses that would help (e.g., Python, R, Machine Learning).
If you are planning to pursue a graduate degree, look for opportunities to get involved in faculty research to gain research experience as much as possible. If you have your own research ideas, don't be shy about talking to a related faculty member. I always loved it when an undergraduate knocked on my door, excited about some research ideas.
Finally, go beyond course requirements both theoretically and practically. Maybe you want to become a sports psychologist but your department does not have any courses on sports psychology. However, you can learn on your own with guidance from some faculty, or get involved with a local sports team. You can be proactive and create your own path even if it looks like there is none.
Psychology is about life. It is highly applicable to daily life. Unlike most other fields, everybody becomes curious about some sort of a psychological question almost daily (e.g, "why did they do that?"). Enjoy!
Best of luck!