[1] The school was established in Ohrid (in what is now North Macedonia).
Another center was Devol (modern-day Albania) as well as Drembica, Glavinica and Velika with unknown location.
All the school centers were located in a then Bulgarian province known as Kutmichevitsa.
[2] It was founded in 886 by Saint Clement of Ohrid on the order of Boris I of Bulgaria simultaneously or shortly after the establishment of the Preslav Literary School.
After Clement was ordained bishop of Drembica, Velika (bishopric) in 893, the position of head of the school was assumed by Naum of Preslav.