Negros Oriental Trade School (NOTS) was established on December 3, 1927 by virtue of Act No. 3377 of the Philippines Legislature. It was converted into East Visayan School of Arts and Trade (EVSAT) on June 16, 1956 by virtue of R.A. 1579. It was again converted into Central Visayas Polytechnic College (CVPC) in 1983. On June 25, 2004 by virtue of R.A. 9299, CVPC was converted into Negros Oriental State University (NORSU).

Conversion Date	Name	No. of Batches of Graduates
December 8,1927 to June 16, 1956	NOTS	21
June 17, 1956 to 1983	EVSAT	27
1984 to 2004	CVPC	21