Welcome to AZTTI Vocational School AZTTI Vocational School is a private vocational institution located in Phoenix, Arizona that was founded in 2019. The growing need for healthcare staff members requires better training programs. We are here to offer training for healthcare professionals to help them develop their skills and prepare them in delivering quality care for patients and beyond. We provide universal access to the world’s best education. Our instructors have more than 50-years of combined experience in healthcare and education. It is our passion to provide superior current industry-standard curriculum and training to deliver outstanding future healthcare professionals. AZTTI offers: Most affordable Certified Nurse Assistant Program in Phoenix AZ , Advanced CNA classes. High Passing Rate with AZBN. We have 3 different sessions.