Radiology tech school covers a mix of science coursework, hands-on imaging skills, patient care training, and hundreds of hours of supervised clinical practice. Most programs lead to an associate degree, run about 24 months including summers, and prepare you to sit for the national certification exam administered by the ARRT. Here’s a detailed look at what fills those two years.
Anatomy, Physiology, and Pathology
A large chunk of your classroom time goes toward learning the human body in detail. Courses in human structure and function cover everything from cell biology up through organs and full body systems. You’ll study how bones, muscles, and organs are arranged, and you’ll spend significant time on sectional anatomy, which is the ability to identify structures as they appear in cross-sectional images rather than in a textbook diagram. This skill is essential because the images you’ll produce on the job show the body in slices, not in the neat side-view illustrations you might remember from high school biology.
You’ll also take a course in radiographic pathology, which focuses on how diseases and injuries actually look on X-rays and other images. This isn’t about diagnosing patients (that’s the radiologist’s job), but you need to recognize common abnormalities so you can adjust your technique and make sure the images you produce are diagnostically useful. A fractured bone, fluid in the lungs, or an intestinal obstruction each require slightly different approaches to get a clear picture.
Radiographic Positioning
Positioning is arguably the core technical skill of the profession, and it takes up a huge portion of the curriculum. You’ll learn how to place a patient’s body and aim the X-ray beam to produce a specific image of a specific structure. The ASRT curriculum lists dozens of individual body parts you must master, organized by system.
For the skeletal system alone, you’ll learn positioning for every segment of the upper extremity (fingers, hand, wrist, forearm, elbow, humerus), the shoulder girdle (shoulder joint, scapula, clavicle, acromioclavicular joints), every segment of the lower extremity (toes, foot, ankle, calcaneus, tibia/fibula, knee, patella, femur), the pelvis and hip, the entire vertebral column (cervical, thoracic, lumbar, sacrum, coccyx, sacroiliac joints), the bony thorax (ribs, sternum), and the cranium (skull, facial bones, orbits, mandible, sinuses, and more).
Beyond bones, you’ll also learn to image the respiratory system (chest X-rays and soft tissue neck), the abdomen and gastrointestinal tract, and urological structures. Special studies like scoliosis surveys, bone age assessments, long bone measurements, myelography, and foreign body localization round out the list.
Along with all of this comes a vocabulary of positioning terminology. You’ll become fluent in terms like supine, prone, lateral, oblique, decubitus, Trendelenburg, and erect, each describing a specific way the patient is oriented relative to the imaging equipment.
Radiation Physics and Safety
You’ll take coursework in how X-rays are produced, how they interact with body tissues, and how the resulting image is formed. This physics foundation helps you understand why certain technical settings produce better images and why others result in too much or too little exposure.
Radiation protection is woven throughout the entire program. The central principle you’ll learn is ALARA, which stands for “as low as reasonably achievable.” Every decision you make, from selecting exposure settings to positioning the beam, should minimize the radiation dose to the patient, to yourself, and to anyone nearby. You’ll study shielding techniques, protective equipment like lead aprons and thyroid shields, how to monitor your own cumulative dose with a personal dosimeter, and the administrative controls facilities use to keep exposures well within safe limits. Special topics include fetal exposure control for pregnant patients and emergency protocols.
Patient Care Skills
Radiology techs spend their shifts working directly with patients, so a meaningful portion of the curriculum focuses on clinical care skills that go beyond imaging.
You’ll learn to take and record vital signs: temperature, pulse, respiration rate, blood pressure, and pulse oximetry. You’ll practice on adults and learn how pediatric values differ. Patient transfer techniques are covered in detail, including wheelchair and stretcher transfers, sheet transfers, log rolls, and how to assess a patient’s mobility before deciding on the safest method to move them.
Infection control is another major topic. You’ll learn medical asepsis (proper handwashing, chemical disinfectants) and surgical asepsis, which includes sterile gowning and gloving, opening sterile packs without contaminating them, skin preparation, draping, and dressing changes. These skills matter because radiology techs often assist during procedures that require a sterile field, such as certain contrast studies or interventional exams.
Digital Imaging and Information Systems
Modern radiology departments are almost entirely digital, so you’ll learn the technology that makes that possible. Coursework covers the fundamentals of computed radiography and digital radiography, including how digital detectors capture images and how to evaluate image quality on a monitor rather than on film.
You’ll also get an introduction to the software systems that run a radiology department. PACS (picture archiving and communication systems) is the platform used to store, retrieve, and distribute medical images across a hospital network. RIS (radiology information systems) handles scheduling, tracking, and reporting. You’ll learn DICOM, the universal standard that allows imaging equipment from different manufacturers to communicate with each other, and HL7, the messaging standard that lets radiology systems share data with the broader hospital information system. Understanding these tools is part of daily workflow, not an optional add-on.
Clinical Rotations
Classroom learning is only half the equation. Accredited programs require extensive clinical rotations where you practice under supervision in real hospital or outpatient imaging departments. The JRCERT, which accredits radiography programs, caps clinical shifts at 10 hours per day but doesn’t mandate a specific total hour count, so the exact number varies by school. Most programs spread clinical hours across the full 24 months, often increasing your time in the clinic as you progress.
During rotations, you’ll perform actual exams on real patients, starting with simpler studies like hand and chest X-rays and gradually working up to more complex procedures. You’ll typically rotate through different areas of the department, gaining exposure to the emergency room, surgery suites, portable (bedside) radiography, and outpatient imaging. Each completed exam is logged toward a competency checklist that you must satisfy before graduating. Clinical sites can include hospitals, outpatient imaging centers, or military facilities, as long as they hold JRCERT recognition.
Introduction to Advanced Modalities
A standard radiography program focuses primarily on X-ray imaging, but most programs introduce you to advanced imaging modalities so you understand where your career could go. You’ll get a basic overview of computed tomography (CT), magnetic resonance imaging (MRI), mammography, fluoroscopy, and sometimes nuclear medicine or sonography. These introductions cover the general principles of each technology and what the work involves day to day.
Specializing in any of these areas typically requires additional certification after you’ve earned your radiography credential. Many techs work in general radiography for a year or two, then pursue a post-primary certification in CT, MRI, mammography, vascular interventional radiography, or bone densitometry. The base program gives you enough background to decide which direction interests you and to hit the ground running if you pursue advanced training.
What Ties It All Together
The two years move fast because the curriculum layers these subjects on top of each other. You might study shoulder anatomy in lecture, practice shoulder positioning in the lab that afternoon, and perform a shoulder X-ray on a patient during your next clinical shift. Physics concepts you learn in the first semester directly inform the exposure technique courses you take later. Patient care skills you practice in a classroom become second nature once you’re transferring patients from wheelchairs onto exam tables several times a day in clinic.
By the time you graduate, you’ll have the knowledge and documented competencies needed to sit for the ARRT certification exam, which covers all of the topics above in a single test. Passing it earns you the R.T.(R) credential and qualifies you to work as a registered radiologic technologist.