RIOS BOARD ELIGIBLE FOR HIGHER EDUCATION?
Rural Institute of Open schooling is a open schooling which in there official website, mentions that the certificate issued by the institute can be used as the eligibility certificate for higher studies. So obviously, with the passing certificate from RIOS, you can go for the higher education.
For the official website consider the link below:
http://www.rios.ac.in/faqs.html
I hope this helps. Wish you a great day!