You run the machine that treats cancer, and you see the same patients every weekday for weeks. A two year degree for six figure pay.
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What you earn and what it costs to get there.
Typical
$105,310
New graduate
$80,560
Lead or senior
$156,710
The national median is $105,310 a year and even the bottom tenth start near $80,560. That is the highest pay of any health job you can reach with a two year degree, and the narrow range tells you most people land in the middle.
About $80,000
The bottom tenth of the survey, straight out of an accredited program
Starting pay here is higher than the median for most careers on this site. Big cancer centers in expensive states pay more, rural hospitals less, and evening treatment shifts carry a small premium.
$156,710
Lead therapists and people who cross into treatment planning
The clearest jump is becoming a medical dosimetrist, the person who designs the treatment plan on a computer. Many dosimetrists start as radiation therapists and add a one year certificate.
Tuition, fees, exams and kit. Not rent, food or travel
The low end is a two year associate degree at a community college in your own district, the national certification exam and the state licence, and that is a complete qualification on its own. The high end is the four year degree route at a public university in your own state, which some hospitals prefer but few actually require. A Pell Grant does not have to be repaid and often covers most of a community college program. For what the job pays, this is one of the best value educations in American health care.
This is one of the best value educations in American health care. Fill in the FAFSA (Free Application for Federal Student Aid) first, because a Pell Grant can cover most of a community college program and does not have to be paid back.
Daytime hours
Treatment runs on a schedule. Unlike nurses and imaging technologists, you are mostly done by early evening and rarely work nights.
Hospital benefits
Health cover, retirement matching and often a pension in public and university hospitals.
Paid continuing education
Employers fund the credits you need to keep your credential.
Tuition help to move up
Many cancer centers will pay toward a dosimetry certificate for a therapist already on staff.
The exact path from high school to qualified.
Short, specific and almost entirely decided by which program you get into.
High school diploma
Grade 12
Physics, biology and math. Some programs also want a health care course or documented volunteer hours.
Get into an accredited program
Apply a year ahead
Look for accreditation by the Joint Review Committee on Education in Radiologic Technology. Class sizes are small and admission is competitive.
Associate degree or bachelor's degree
2 to 4 years
Anatomy, radiation physics, oncology and treatment planning, combined with clinical rotations in a real cancer center from early on.
Pass the national certification exam
After graduation
The radiation therapy exam from the American Registry of Radiologic Technologists, which also checks an ethics requirement before it lets you sit.
Get your state license
Weeks
Most states license radiation therapists separately from the national credential. Then you can treat patients unsupervised.
Physics
Radiation dose and beam behavior are the core science of this job.
Biology and anatomy
You position bodies precisely and must know what is under the skin.
Math
Dose calculations and daily verification checks.
English
You explain frightening treatment to frightened people, then record everything you did.
Two separate things stand between you and the treatment room. First is certification by the American Registry of Radiologic Technologists, which nearly every employer requires and which you keep through continuing education. Second is a license from your state, because most states regulate anyone who operates radiation-producing equipment on people. A few states do not license this role at all and rely on the national credential instead. Check your own state before choosing a program, and check that the program itself is accredited, because an unaccredited one can leave you unable to sit the exam.
Straight into a radiation therapy program
Two years from high school, and you graduate ready to sit the exam.
Cross-train from radiography
If you are already a certified radiographer, a shorter certificate program adds the radiation therapy credential.
Bachelor's degree programs
Four years, and they open management, teaching and dosimetry doors later.
Check the program's exam pass rate
Accredited programs publish it. A weak number is the clearest warning sign there is.
Things you don't need, but that help.
Medical dosimetry
Design treatment plans instead of delivering them. A one year certificate after some experience, and a clear pay increase.
Lead or chief therapist
Run the schedule, the machine time and the staff at a center.
Equipment applications specialist
Work for the manufacturer, training staff at hospitals on new machines. Comes with travel.
Teaching
Accredited programs need clinical instructors, and they usually want a bachelor's degree.
Steadiness around sick people
You will treat someone every weekday for six weeks and watch them get more tired each week.
Precision as a habit
Position, verify, record. Every single day, the same way.
Comfort with technology
Imaging systems, planning software and a machine that costs millions.
A driver's license
Cancer centers are often outside city centers, and some therapists cover two sites.
Day to day, pros and cons, where you'd work.
Start early with machine warm-up and quality checks before the first patient. Then treatments, roughly every fifteen to twenty minutes: greet the patient, position them exactly as the plan says, take a verification image with CT (computed tomography) or x-ray, step outside, deliver the beam, record it. Between patients you note side effects, flag anything for the doctor and reset the room. Twenty to thirty treatments a day is normal, and you know most of those people by name.
The good
The hard parts
Things people don't tell you.
Patients see their oncologist every week or two. They see the radiation therapists every single weekday for the whole course. People tell you things they do not tell the doctor.
The beam is delivered from a control area outside a door in a wall of thick concrete. You watch on camera and talk over an intercom, and the whole treatment often takes less than two minutes.
The national outlook for this occupation is below average. Treatment courses are getting shorter and care is concentrating in fewer, bigger centers, so plan on being willing to move for the job you want.
Before each treatment the machine images the patient and the position is corrected by tiny amounts. Getting someone lined up the same way every day, for weeks, is the actual skill of the job.
Last checked September 2026. Pay figures are typical full-time annual amounts in United States dollars, based on Bureau of Labor Statistics wage data and published pay scales. They vary by state, employer and experience. Tuition is for in-state students at public schools unless the card says otherwise.