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â If you are dedicated, though donât have time to run your EMT training in parallel with your fire training, and assuming you are hired by the department on your first attempt, it will take you 3.5 to 4 years to become a firefighter (though you will be a probationary firefighter after 3 â 3.5 years).
Step 2: Graduate from a Police or Sheriff Academy. To become a sheriff, you must first become a sworn police officer by gaining admission to and graduating from a police academy. These training programs typically take 3-6 months to complete and combine classroom instruction with hands-on exercises.