How Long Is Lineman School? Lineman school typically lasts 3 months to 2 years, depending on the program type. Program Durations: Certificate Programs: 3-6 months (Quick entry) Diploma Programs: 6-12 months (In-depth training) Associate Degree: 2 years (Comprehensive education) What You Learn: Electrical safety, pole climbing, transformer installation Power d... https://lineman24.com/how-long-is-lineman-school-essential-timeline-guide/