There are various schools or traditions of Tibetan Buddhism.
Tibetan Buddhism has four major schools, namely
Nyingma (c. 8th century),
Kagyu (11th century),
Sakya (1073), and
Gelug (1409).
The four major schools are sometimes divided into the Nyingma (or "Old Translation") and Sarma (or "New Translation") traditions, which follow different canons of scripture (the Nyingma Gyubum along with Termas and the Tengyur-Kangyur respectively).
The four main traditions overlap markedly, such that "about eighty percent or more of .