Students interested in fields of criminal justice or law enforcement administration can gain an understanding of police operations through the study of police science. Areas of study may include the traditional topics of criminal justice and investigative techniques, or more modern focus areas may include such studies as cybercrime.

Education in the United States is mainly provided by the public sector, with control and funding coming from three levels: state, local, and federal, in that order. The common requirements to study at a higher education level in United States will include your admissions essay (also known as the statement of purpose or personal statement), transcript of records, recommendation/reference letters, language tests

Certificate programs, which can be earned in about a year, consist of academic classes that are offered at different skill and ability levels. Undergraduate as well as graduate students, depending on their field of study, may obtain certificates.