As you are looking for the school wise results of CBSE class 12th(Higher Secondary School) , below the process is given through which you can reach to the result page.
First of all visit the official website of Central Board of Secondary Education.
After that click on Old Results Verification which is on the lefts side.
After that click on 2012.
The page looks like the image given below



Contact:
Central Board of Secondary Education
Community Centre, Preet Vihar Metro Railway Station, Shiksha Kendra,Building No.2, Preet Vihar Rd, Block D, Preet Vihar, New Delhi, Delhi 110092 ‎
011 2202 3737 ‎

Map: