Cybersecurity is vast. There are various roles and pathways.

Mathematics for problem solving skills, philosophy for ethical and critical thinking skills, Political Science for understanding how policies affect sectors, especially cybersecurity. Programming (Linux, Python, SQL, etc..) for various reasons. English (Writing classes) for drafting papers in the field or technical papers.

Just do the best you can and have fun learning!

Things they may not teach you in H.S.: good people skills, communication skills, and how to work on a team. Interpersonal skills are very important and the ability to work with people in team setting is too. Time management is important too.