NIOS meaning in Board of Education in India ?

Answer: What is National Institute of Open Schooling mean?

The National Institute of Open Schooling (NIOS), formerly National Open School (name changed in 2002), is the board of education under the Union Government of India. It was established by the Ministry of Human Resource Development of the Government of India in 1989 to provide education to all segments of society under the motive to increase literacy and aimed forward for flexible learning. The NIOS is a national board that administers examinations for Secondary and Senior Secondary examinations similar to the CBSE and the CISCE. It also offers vocational courses after the high school.

NIOS had a cumulative enrollment of about 1.5 million students from 2004 to 2009 at secondary and senior secondary levels and enrolls about 350,000 students annually which makes it the largest open schooling system in the world.

reference

Full Form	Category
National Institute of Open Schooling	Board of Education in India
Not in Our School	Community
Netware Input Output System	Computing
Network Identity Operating System	General
Northern Ireland Optometric Society	Regional