You take OPA courses to prepare yourself for employment with a police department.
Many departments have informative web sites, and most are looking for recruits.
Bookmark the OPA web site by using Ctrl-D , then use these links to learn more about agencies you may want to join. Offers links to job opportunities. Entry-level and lateral law enforcement selection testing service including job analysis, written tests, structured oral interviews, physical ability tests, and memory tests. These pages are continually updated as departments ask to be listed. If you don't find one you're interested in today, check back in a week or so.