how much school for a crna
2-3 Years â Certified Registered Nurse Anesthetist Program. The usual length of time for the CRNA program is about 24 to 36 months of full-time study. However, taking a part-time or online program may entail an additional semester(s) for the program. This already includes the internship program of the degree, as well as other trainings supplementary to a CRNA career.