Review Of How To Become A Police Officer New Jersey References. Obtain a ged or high school diploma. Applicants also must not reach their 35th birthday prior to.

You can follow these steps to become a police officer: Applicants must be at least 20 years old as of the date of the application and 21 years old at the start of their academy class date. Applicants also must not reach their 35th birthday prior to.