Criminal Justice vs. Criminology

The two names are often used as if they meant the same thing, but they describe different questions. Criminal justice looks at the system that responds to crime: police, courts, corrections and the policies and agencies around them. Criminology looks at crime itself: why it happens, who commits it, who is harmed, and what the evidence says about prevention and punishment. Many programs mix the two, so the title alone will not settle it. The course list will.

How the federal classification separates them

Colleges report their majors to the federal government using a standard list of program codes. The National Center for Education Statistics (NCES) places "Criminal Justice/Safety Studies" in one family and "Criminology" in a different one.

• Criminal Justice/Safety Studies is described as a program focused on the criminal justice system: how its organizations and processes work, and the legal and public policy issues around them. Coursework addresses criminal law and policy, police and correctional systems, and the courts.
• Criminology sits under the Social Sciences family. NCES describes it as the study of crime as a social and behavioral phenomenon, including why people offend, how laws and justice systems respond, punishment and rehabilitation, and reoffending.

The classification note even cross-references the two as related, not identical. That matches how this directory treats them: separate subject pages, assigned from curriculum evidence rather than from the program name. See Criminal Justice and Criminology.

What the coursework looks like

A criminal justice major usually teaches you how the system works and how to operate within or around it. Penn State's bulletin describes its criminal justice major as including "study in law enforcement, courts and corrections individually and as components of a system." Sam Houston State University's bachelor's program says its courses "cover criminology, criminal law and policing strategies," a reminder that even a criminal justice degree usually contains some criminology.

A criminology major leans toward theory, research methods and statistics. Penn State's criminology bulletins describe the field as "focused on the understanding and analysis of crime and justice systems" and describe a broad, interdisciplinary field, and its B.S. version is summarized in our research as emphasizing research methods, quantification and the sciences. University of South Florida's master's in criminology says students "will master both theoretical and methodological tools of inquiry" used in the field.

In practice, expect:

• Criminal justice: policing, courts, corrections, criminal law, juvenile justice, ethics, administration and policy, often an internship or capstone.
• Criminology: criminological theory, research methods, statistics, victimization, offending patterns, often a research paper or thesis at graduate level.

Where the programs sit

Department names are a useful clue. Penn State offers criminal justice through campus colleges and the School of Public Affairs partnership at Harrisburg, while its criminology B.A. is "offered by the Criminology Program in the Department of Sociology." The University of South Florida houses its criminology degrees in a Department of Criminology. Sam Houston State houses criminal justice in a College of Criminal Justice.

A program in a sociology department tends to ask you to think like a social scientist. A program in a criminal justice college or public affairs school tends to ask you to think about institutions and practice. Neither is better; they train different habits.

Combined titles, such as "criminology and criminal justice"

Some institutions use both words in the title. Sam Houston State's Master of Arts in Criminal Justice and Criminology is described as "a 36-credit, thesis-required program focused on research and theory," and its page describes preparing students to conduct research on "criminological theory and criminal justice issues." The title is combined, and so is the content.

This directory handles combined titles by looking at the required curriculum. When the evidence supports both fields, the program is tagged with both subjects and appears on both subject pages. When a program has a combined name but a clearly narrower curriculum, it is tagged by what it teaches. Our methodology explains the rules. Use the filters at all programs to compare titles side by side.

Which should you choose?

Choose criminal justice if you want a broad view of how policing, courts and corrections work, if you may want to work in or alongside a justice agency, or if you are drawn to administration and policy. Choose criminology if you are more interested in explaining crime with evidence, if you like statistics and research design, or if you are thinking about a research-oriented master's or PhD.

A few practical points apply to both:

• Neither is a police academy. Academy admission, sworn officer certification, federal hiring and security clearances each have their own requirements, separate from any degree. See degrees vs. police academy training.
• Neither is a forensic science degree. Laboratory work requires natural-science coursework that most criminal justice and criminology majors do not include. See criminal justice vs. forensic science.
• Graduate school is flexible. Many master's programs welcome applicants from either background, though some prefer related majors. Marshall University's online criminal justice master's, for example, states a preference for criminal justice or closely related social science majors and requires a C or better in an undergraduate research methods course.

Before you apply, open the curriculum page and read the required course list, not the marketing summary. Then browse bachelor's programs or master's programs and compare two or three of them line by line.