High school is the time you prepare for the rest of life. Knowing your goals will help you to plan your future. Criminal justice is an expansive field with lots of options. Knowing your interest in Criminal justice early on will give you advantages once you get to college if you took the right courses in high school.

Science

Learning biology, chemistry and physics during your high school years will help give you a leg up in college. Much of what you learn in science classes you will use in the field or in a lab to either prove or disprove a person who has been taken into custody and tried for a crime. Although college-level courses will be a part of your criminal justice curriculum, taking these courses now will be a positive stepping stone on your way to the college level class.

Psychology

If your high school offers a class in psychology, take it. Understanding how the human mind works is a must in criminal justice. Getting a head start on this subject now will make it easier to get through the college-level courses that will go much deeper into the psychology of the human mind. Having an understanding of psychology will help you when interviewing an alleged criminal.

Sociology

The study of society will help to increase your awareness in human behavior and patterns. In the field of criminal justice, this is a must-know course. This knowledge can help to track down criminals by following their patterns. If you learn their patterns, then you might be able to figure out where they will strike next, allowing you to catch them in the act and protect the innocent.

Math

There are a lot of calculations used in the criminal justice field. Obtain as high of a math level as you can while in high school. It doesn't matter if you are working in the field, lab or office, you will need to be able to solve the problem. Understanding complex mathematics will only help you as you further your education and then training in the criminal justice field.