CBSE Class 12 Board Exams 2026: On-Screen Marking System Launched – Full Details

The Central Board of Secondary Education (CBSE) has announced a major change in how Class 12 answer sheets will be evaluated. Starting from the 2026 board exams, CBSE will use On-Screen Marking (OSM) to check Class 12 answer books digitally. This step aims to make the evaluation process faster, more transparent, and more accurate.

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In an official notice sent to all affiliated schools, CBSE confirmed that digital evaluation will apply only to Class 12 answer sheets for now. Class 10 answer books will still be checked manually in the traditional physical mode during the 2026 exams.

👉 Read Official Notice

Every year, CBSE conducts board exams for nearly 44 lakh students across India and 26 other countries. The board said that introducing OSM is part of its ongoing effort to modernise the examination system and speed up the evaluation process.

Key Benefits of On-Screen Marking (OSM)

CBSE has also pointed out that teachers won't need to travel to evaluation centres. They can check answer sheets from their own schools, which means their regular teaching work won't be disrupted.

Infrastructure Requirements for Schools

To make sure the system runs smoothly, CBSE has asked all affiliated schools to keep the following infrastructure ready:

How CBSE Plans to Prepare Schools and Teachers

CBSE isn't leaving schools on their own to figure out the new system. The board has shared a clear plan to ensure everyone is well-prepared before the process begins.

Teachers with OASIS IDs have been asked to log in and explore the system in advance. CBSE will also conduct multiple dry runs so that teachers can practice before the actual evaluation starts. Along with this, the board will organise training sessions, set up a dedicated call centre for resolving issues, and release instructional videos to guide evaluators through the process.

CBSE has assured that detailed instructions for each step will be shared separately and well ahead of time. The board said this early communication is meant to give schools enough time to arrange the required infrastructure and prepare their staff for the transition.

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