Certified Nursing Assistant (CNA)(Diploma / Certificate - 4 to 12 weeks Licensed Practical Nurse / Licensed Vocational Nurse (LPN/LVN) – Diploma or Certificate - 12 to 18 months   Associate Degree in Nursing – 2 years Bachelor of Science in Nursing – 4 years Master of Science in Nursing – 2 years (post-graduate) Doctor of Nursing Practice – 2 years (post-graduate)