( 1 ) RULE D. B. The petitioner, a girl student, who passed Class X examination of the Central Board of Secondary Education (C. B. S. E.) from the Cambridge School, Ring Road, Srinivaspuri, securing 44. 6% marks in aggregate, seeks admission to Class XI in the same school in which admission has been denied to her on the ground that she did not secure 50% marks in aggregate as per the school circular dated 4 October 1993. This circular was addressed to the parents of the students by the Principal of the School stating that admission to Class X was not automatic but a fresh admission even for those students who would pass Class X from the Cambridge School itself and that minimum qualifying percentage for being considered for admission for students who passed Class X from Cambridge School would be in the region of 50% in aggregate. It was also mentioned that in addition to that the conduct of the students should be satisfactory, and it was, therefore, stressed on the parents that all students of Cambridge School interested in admission to Class XI should make sure that they get at least 50% marks and maintain good conduct. This circular is challenged before us in this peti