[header] How to become a respiratory therapist [title] Take health courses in high school. [step] Complete as many courses in biology, health, health occupations, anatomy, physiology, math and science as possible. Information gained from these courses will help make your college studies more manageable, and will be applicable to your work as a respiratory therapist. 
[substeps] Take all high school courses that are required for college entrance. To be a respiratory therapist, you will need acceptance to at least a two-year higher education program.