The Central Board of Secondary Education (CBSE) is expected to announce the Class 12 Supplementary Result 2026 in August. The exam was held after the CBSE Class 12 main examinations, which were conducted from February 17 to April 10, 2026. CBSE Class 12 supplementary result: Past year trendThe gap between the supplementary examination and result declaration has generally been a few weeks. The 2026 Class 12 examination also marked the introduction of On-Screen Marking (OSM) for evaluating answer books on a large scale. Once the Class 12 Supplementary Result 2026 is declared, candidates will be able to check their marks through the official CBSE result platforms.