BCS Preliminary Test study materials
BCS Preliminary Test study resources

A Student's Suspicious Exam Score

BCS Preliminary Test · Put your knowledge to work in context.

All case studies

A Student's Suspicious Exam Score

A school's annual results show one student jumping from 45th to 3rd in the class after a single term. The class teacher notices the student's handwritten answers in the terminal exam match the textbook's wording almost exactly, including an unusual spelling error. The examination hall had 40 students and two invigilators, but one invigilator left for 20 minutes to attend a phone call. The student's parents are influential and have donated books to the school library. Another teacher says the student has been studying hard and should be congratulated. The head teacher must decide whether to investigate, and how, without humiliating the student or ignoring a possible breach.

1. What evidence is relevant here, and what is merely suggestive? Separate the two.

Read the worked answer

Relevant evidence: the near-exact match with textbook wording, including the same unusual spelling error, is a concrete signal. It does not prove copying, because a student may memorise text closely, but it is specific and checkable. The invigilator's 20-minute absence is also relevant: it created an opportunity, though opportunity alone is not proof.

Suggestive but weak: the jump from 45th to 3rd. Large improvements happen, and this one is consistent with the claim that the student studied hard. The parents' donation and influence are irrelevant to whether misconduct occurred; using them as evidence would be unfair. The other teacher's opinion is a character judgement, not evidence.

The correct approach is to gather checkable facts: compare the answer sheet with the textbook, ask the invigilator about the absence, and check whether other students' papers show the same pattern. Conclusions should follow the evidence, not status or reputation.

2. How should the head teacher conduct the inquiry to be fair to the student and to the school?

Read the worked answer

Fair process matters as much as the finding.

  1. Keep it confidential: discuss the matter privately, not in front of the class, and avoid naming the student publicly.

  2. Hear the student: ask the student to explain the answers and study routine. A student who understands the material can often explain it in their own words.

  3. Verify independently: compare the paper with the textbook and with other papers, and ask the invigilator for a written account of the absence.

  4. Avoid conflicts of interest: the head teacher should not let the parents' donation or influence affect the judgement, and should record the reasoning.

  5. Decide proportionately: if the match is explained by close study, no penalty is due. If copying is established, apply the school's stated rule consistently, as it would for any student.

  6. Follow up on the invigilation gap separately, since it is a systems failure affecting all 40 students.

3. What long-term changes would reduce both cheating and unfair suspicion?

Read the worked answer
  1. Invigilation rules: require two invigilators to remain in the hall, with a relief arrangement for phone calls. Log any absence.

  2. Question design: reduce questions that can be answered by copying textbook sentences; use application and short reasoning questions.

  3. Transparent assessment: publish marking criteria and keep answer scripts available for review.

  4. Consistent policy: a written misconduct policy applied equally to all students, regardless of family influence, with a right to be heard.

  5. Support for students: recognise genuine improvement publicly, so hard work is not treated as suspicious by default.

Together these make cheating harder and make suspicion fairer, protecting both integrity and the student's dignity.