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Radiation Therapists

Gives radiation treatments to cancer patients.

Typical education to startAssociate's degree
Job outlook2025–2035: +3%
Median pay$105,310 a year (2025)
Interest codeRSI Realistic, Social, Investigative

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

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High school courses that build toward it

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.