CBSE Class 12 Marks Row Deepens as Teachers Seek OSM Notice Withdrawal
A controversy over the CBSE's Order of Subject Merit (OSM) mechanism has intensified after a teachers' body demanded the withdrawal of notices issued in connection with Class 12 score revisions. The association claims that students have suffered unexpected mark reductions and called for greater transparency in the board's evaluation process. The development comes amid growing concerns among parents and schools following the declaration of CBSE Class 12 results.
Written by
Jyoti Mukherjee

CBSE Class 12 Marks Controversy Escalates Over OSM-Related Score Changes
The controversy surrounding the Central Board of Secondary Education's (CBSE) Class 12 results has taken a fresh turn, with a prominent teachers' association demanding the withdrawal of notices linked to the implementation of the Order of Subject Merit (OSM) system.
The dispute comes after reports emerged that some students experienced a reduction in their final scores due to the application of OSM during the result compilation process. The teachers' body argues that the current approach has created confusion among students, parents and schools, while raising questions about transparency in the evaluation framework.
The issue has generated widespread discussion in educational circles, particularly among Class 12 students preparing for university admissions where even minor variations in marks can influence cut-offs and seat allocations.
What Is the OSM System?
The Order of Subject Merit, commonly known as OSM, is a mechanism used in certain situations to determine the ranking and placement of subjects based on merit considerations during result processing.
Education experts explain that such systems are intended to ensure consistency and fairness in large-scale examinations. However, critics argue that when implemented without sufficient clarity, they can lead to misunderstandings regarding how final marks are calculated.
Several schools reportedly noticed discrepancies between expected scores and the marks ultimately reflected in result documents. This prompted queries from students and institutions seeking clarification from authorities.
According to educators familiar with the matter, the concern is not merely about score changes but about the absence of detailed communication regarding how the OSM process may influence final outcomes.
Teachers' Association Raises Objections
The teachers' body that has taken up the matter has urged authorities to immediately withdraw notices issued in connection with the controversy and conduct a comprehensive review of the process.
Representatives of the association contend that students should not be placed under additional stress after the declaration of board examination results.
"Students have already gone through months of preparation and examination pressure. Any system that results in confusion over marks must be explained clearly and reviewed wherever necessary," a senior office-bearer of the association said.
The organization has also sought detailed guidelines explaining the rationale behind OSM-related adjustments and the criteria used during result finalization.
Teachers argue that schools are finding it difficult to respond to queries from anxious parents because they themselves lack complete information about the technical aspects of the process.
Students and Parents Seek Answers
For many families, the issue extends beyond academic curiosity.
Class 12 marks often play a decisive role in undergraduate admissions, scholarship applications and entrance-based shortlisting procedures. Even a marginal reduction in scores can affect a student's chances of securing admission to a preferred institution.
Parents have reportedly approached schools seeking explanations after noticing differences between internal expectations and final marks.
In several online discussion forums, students have expressed concerns about the impact of the controversy on their higher education plans. Some have called for a transparent review mechanism that would allow candidates to understand how their scores were determined.
A parent from Kolkata whose child appeared for the CBSE examination said uncertainty surrounding marks has created unnecessary anxiety during an already competitive admission season.
"Students are comparing scores, colleges are announcing cut-offs and families are making important decisions. Clear communication from authorities becomes crucial at such a time," the parent said.
Why the Matter Is Significant
The CBSE is one of India's largest school education boards, with millions of students appearing for examinations every year.
As a result, even limited concerns involving result calculation attract nationwide attention.
Education analysts point out that trust in the examination process is essential for maintaining the credibility of board results. Any perception of inconsistency can quickly become a matter of public debate.
The issue is particularly important this year because higher education institutions across the country are already beginning admission procedures. Students are uploading scorecards, applying for courses and competing for limited seats.
Any unresolved questions regarding marks could potentially affect confidence in the admission process.
Experts Call for Greater Transparency
Education policy observers believe the controversy highlights the need for better communication between examination authorities and stakeholders.
According to academic experts, large-scale boards increasingly rely on complex systems for moderation, standardization and merit determination. While these mechanisms are designed to ensure fairness, they must also be understandable to students and teachers.
"Transparency is as important as accuracy. Even a technically sound system can face criticism if stakeholders do not understand how it operates," said an education consultant who has worked with several school boards.
Experts suggest publishing explanatory notes, conducting webinars for schools and creating dedicated grievance channels to address concerns promptly.
Such measures, they say, would help reduce confusion and prevent misinformation from spreading online.
CBSE Yet to Issue Detailed Clarification
As the debate gathers momentum, students and schools are awaiting a detailed response from the board regarding the concerns raised by the teachers' association.
Educational institutions are also looking for guidance on how to address student queries and whether any review process will be made available.
For now, there is no indication that the overall result declaration process will be affected. However, stakeholders expect authorities to provide additional clarification to restore confidence and address growing concerns.
What Happens Next?
The coming days are likely to be crucial.
The teachers' association has reiterated its demand for the withdrawal of notices and a review of the OSM-related procedures. Education authorities are expected to examine the concerns and determine whether further clarification or corrective measures are required.
With college admissions gathering pace across India, students and parents will be watching developments closely. Any decision by the board could have implications not only for affected candidates but also for future examination and result-processing policies.
For thousands of families, the central question remains simple: how were the marks calculated, and can the process be made clearer?
Until that question is fully answered, the debate over OSM and Class 12 scores is unlikely to fade.
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