Mahikeng - The North West education department is investigating allegations that teachers at a high school in Maboloka were bribed by pupils to be promoted to the next grade without writing their examinations."The department stepped in to investigate the matter on the basis of the allegations that were surfacing," department spokesperson Brian Setswambung told Sapa."It is alleged that some learners were involved in buying report cards from teachers."The Motshwane High School pupils involved were from Grade 10 and 11."Not all the pupils were involved. It emerged that only some pupils were involved," said Setswambung.The department said it was going through examination scripts to determine which pupils had been involved in the alleged bribery.He said until the matter was finalised, all grade 10 and 11 pupils from the school would remain in the grades they were in last year."By Monday, the investigation report will be ready," he said.The Sowetan on Friday reported that pupils paid teachers an R800 bribe to promote them to the next grade.About eight pupils had boasted to their colleagues that they had passed despite them not writing exams.One pupil recorded the conversation on his cellphone and handed it to the department, demanding that he also be promoted.