Visal Bhashitha Kavirathne and others v. W.M.N.J. Pushpakumara and others – SC . FR APPLICATION NO.29/2012-2012

In the case between Petitioners (including 16 students and a Trade Union) and Respondents (including the Commissioner General of Examinations, University Grants Commission, and Minister of Education), the court addressed whether employing a pooled Z-Score formula for candidates sitting for the Advanced Level Examination 2011 under Old and New Syllabi violated fundamental rights to equality under Article 12(1) of the Constitution. The court held that the use of a common formula for heterogeneous populations was arbitrary and discriminatory, finding that each syllabus represented a distinct candidate population. The Z-Score results were declared null and void, with a directive for recalculation using established statistical norms separately for each group. This decision reaffirmed the requir