When 90% comes too easy in CBSE exams

Over the years, high scores in class XII results have become more and more frequent. Academics attribute it to inflation of scores by boards; an analyst looks at trends and says these lower the worth of high scores

Written by Ritika Chopra | Updated: June 6, 2017 7:04 pm
CBSE, CBSE results, Examination, Class XII results At a school in Gurgaon last week, after the declaration of class XII results. Ten thousand students crossed 95% this year, and 63,000 over 90%. Express Photo by Manoj Kumar

Ashok Kumar Pandey noticed something odd about CBSE’s class XII results in 2006. “If I recall correctly, this was the first time I felt there was something wrong. Many students had scored 99 in English, Hindi, political science and history. People had started asking questions,” says Pandey, principal of Ahlcon International School in east Delhi for 22 years now.

In five years, his suspicion grew into belief. “It was evident that the board was inflating marks.” But there was no evidence to back this. Until 2013.

The practice of ‘grade inflation’ was first highlighted in 2013 by two bloggers, Debarghya Das and Prashant Bhattacharji, who mined ISC and CBSE results, respectively, to show both boards resorted to this. According to Das, grade inflation, like regular inflation, is when the same absolute grade, say a 90, is worth less than it was before because more people were given that grade. “Over time, as it becomes easier and easier to score a 95, it becomes harder distinguish amongst top students,” he says. Read | Half of all 95s in CBSE English in Delhi’s private schools: Data. Click here

His analysis (see figure 1A) shows that in CBSE, a 95 per cent aggregate is 21 times as prevalent today as it was in 2004, and a 90 per cent close to nine times as prevalent. In the ISC Board (figure 2A), a 95 per cent is almost twice as prevalent today as it was five years ago. “What was a great grade back in the day is no more a great grade today,” says the 24-year-old engineer, a Cornell University alumnus currently working on machine learning in New York.

 

Although no board has admitted “spiking” marks, the widespread view is that it is done in the garb of ‘moderation’, a common practice adopted by boards to “bring uniformity in the evaluation process”. In other words, scores are tweaked to align marking standards of different examiners, maintain parity in pass percentage across years, and compensate students for getting a relatively tough paper in a multiple-paper set-up. Read | Dropped out years ago, these women clear Class X exams. Click here

“Moderation has a scientific basis, but it is being handled unscientifically by school boards. Boards should award no more than five marks to compensate students. But last year, for instance, CBSE awarded up to 10 marks extra to all students in some subjects. This is unacceptable,” says former CBSE chairman Ashok Ganguly.

Ashok Thakur, former higher education secretary to the government, suspects grade inflation turned rampant after the HRD ministry decided to give 40 per cent weightage to an engineering aspirant’s class XII marks for admission to the NITs. “We wanted kids to focus on their school education. But the decision did not have the desired effect. Instead, all school boards started awarding marks indiscriminately to give their students an edge during admissions to the NITs and other engineering institutions that used JEE (Main) score,” Thakur told The Indian Express.

An analysis by a nine-member government committee in 2015 (figure 4; ‘The State Boards’) corroborates Thakur’s view. The average marks awarded by state and national boards increased over three years from 2013 to 2015. “It is clear that for several boards… the averages have increased over years. This might have some students believe that their boards are becoming lenient with time (with a perception that it might be to help their candidates in the JEE [Main]),” the report states. According to Das’s analysis of CBSE results (figure 1B), too, the sharpest increase in students scoring 90 per cent and above in science was between 2013 and 2015.

Grade inflation has forced top universities to set the eligibility bar drastically high — like the 100 per cent cutoff at Shri Ram College of Commerce in 2011.

The absurdity forced CBSE to call a meeting of all 40 school boards this year to urge them to discontinue “artifical spiking of marks”. CBSE decided to lead by example and promised not to inflate its results.

But although the 2017 results have seen a small correction, the board has clearly not discarded the practice completely, says Das. Almost 6.5 per cent of mathematics examinees in 2017 scored 95 or more — 10 times higher than in 2004 — and almost 6 per cent of physics examinees scored 95 or more, 35 times more than in 2004

“Under regular inflation, prices can rise without limit. However, because grades are capped at A or A+, grade inflation results in a greater concentration of students at the top of the distribution. This compression of grades diminishes their value as an indicator of student abilities. Without grade inflation, a truly outstanding student might be awarded an A, while a very good student might receive a B+. With grade inflation, both students receive As, making it hard for employers and graduate schools to differentiate them,” explains Das.

Rajat Moona, IIT-Bhilai director, agrees: “Board results, in a way, have lost their relevance. An examination is suppose to act as a differentiator. If the trend of grade inflation is not reversed then soon board results will be dumped as a criterion for admission by almost all higher education institutions.”

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  1. V
    Viswanathan Rukmani
    Jun 6, 2017 at 4:04 pm
    Beautiful article. Being a CBSE teacher for more than 25 years, I see this phenomenan like this. 1. A particular year's board results should be in bell shaped, should we map that. Left side of the bell be on the lower side of the results and the right hand side of the bell being the higher side of the results. This is called perfect correlation. 2. Moderation required when the correlation is skewed. The writer of this article failed to analyze the intra results of various years . 3. There is a wide gap between the number of low and the higher . When the board tries to repair ( moderation ) by a software solutions you get different types of outcomes. Board select always the better one that gives win win outcomes. 4. Writer haven't mentioned anything about TN results. I suppose that is the worst in the country. Remember last year DU admissions were dominated by TN students. 5. Contrary to the belief the pattern only shows something is wrong in the lower side.
    Reply
  2. D
    Dr.Roopa Bose
    Jun 6, 2017 at 8:17 am
    Moderation of marks is harmful for all students. All students should be made aware of where they stand in reality. Just giving an inflated marks gives them a false confidence in this very compe ive tomorrow. And at the end of the day the deserving students who have given their best don't even come to know what results their efforts yielded. This is a sad approach ,I must say.
    Reply
  3. N
    Naina dharmani
    Jun 6, 2017 at 7:31 am
    In my opinion board exams should be completely s ped. Only an all india test should grade the students specially in the science stream and the admission to universities should be done only on that. For further help the board should try and understand Australian method of having an ATAR score for each candidate.
    Reply
  4. E
    Employ Ment
    Jun 6, 2017 at 12:37 am
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    Reply
  5. S
    SWAMI
    Jun 5, 2017 at 2:29 pm
    but one has to take into account the real increase in quality and quan y of students which would have clearly spiked the results and its quite good.since paper cannot be made tougher than a level marks scored by average students will go up as the quality of teaching, schools and parent pressure go up.tuition and coaching in every nook and corner are adding to this boom. getting good marks motivate students to do better than not rewarding him for his hard work.scientific and more sound principles carefully designed is the need of hour.
    Reply
  6. R
    Ramesh
    Jun 5, 2017 at 2:28 pm
    If the trend continues, in near future, 100 students shall score 100 marks. Then there would be demand for entrance test for every course. In 1960s, it was difficult to score first division (60 ). Now a large number of students score 95-99 . Examinations have become a farce.
    Reply
  7. R
    Rahul raj
    Jun 5, 2017 at 2:27 pm
    9798997428
    Reply
  8. M
    Mohith
    Jun 5, 2017 at 2:02 pm
    In state boards p percentage is very less compared to CBSE. In state boards securing above 85 is felt great. I wrote state's PU board exam this time. I scored 91 .This is itself felt great in my family. Scoring more than 90 is difficult in state board just because you can't score more in languages just because they will not give liberally the marks especially in languages. I don't know how the CBSE will give liberally the marks especially in languages.
    Reply
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