Hello aspirant,

Before coming to your first question that how to register for NIOS , let's tackle the second one which is how to go about it without getting admission in any school. See, National Institute of Open School(NIOS) as its name suggests has provided the convenient way of distance learning. If you are not able to attend regular classes then too you can continue your education.  Moreover, students who want to appear in competitive exams can opt for NIOS boards after class 10th to prepare well to crack the competitive exams like IIT JEE exam .

Now the question is how to register for it, so for this too you don't have visit any school or colleges and follow the endless procedures. All you have to do is go to the official site of NIOS i.e, sdmis.nios.ac.in (https://sdmis.nios.ac.in/) , and have to register yourself. There with some simple procedures like providing your details, payment of application fee and choosing which class you are applying for, 10th or 12th, you can easily register yourself.

If you wish to know each steps of registration and other details of this board then go through the link below.

https://school.careers360.com/exams/nios-class-12

I hope this answer helps you.

All the best!