← Career directory · Healthcare: doctors, nurses and therapists
Radiation Therapists
Gives radiation treatments to cancer patients.
Read the full guide
Radiation therapists position patients and run machines that deliver precise doses of radiation to tumors, check for side effects, and support patients through weeks of treatment. They work in hospitals and cancer centers.
Open the radiation therapist guide
The guide checks the courses against your plan, with things to try each year. Free account needed.
High school courses that build toward it
- Physical Education · Health and PE
Builds teaching and training, which this job uses.
- Child Development · Career and Technical
Builds teaching and training, which this job uses.
- Pre-Algebra · Math
Builds math, which this job uses.
- Anatomy and Physiology · Science
Builds health and medicine, which this job uses.
- English 10 · English
Builds reading and writing, which this job uses.
- Computer Science Principles · Computer Science
Builds computers and electronics, which this job uses.
Ranked by how much the job relies on what each course teaches, from O*NET's knowledge ratings. Your school's own courses and the counselor have the final word.
Radiation Therapists on O*NET OnLine · O*NET 31.0 (U.S. Department of Labor, CC BY 4.0); BLS Employment Projections 2025.