Class Concept The Police Officer Trainee applicant is someone who is interested in becoming an Officer but has not yet completed the Police Academy. An applicant who is hired as Police Officer Trainee is sponsored by the Police Department to attend the Police Academy. While attending the Academy, the employee is considered a temporary employee who may be released at any time. At present, the Academy runs approximately six (6) months in duration. When the employee completes the Academy, they are sworn in as a Police Officer for the City and begin their Field Training.