A new video posted on the Internet Thursday shows cheating during the recent national high school examinations in another classroom at the Doi Ngo High School in the northern province of Bac Giang.
The exposure of cheating at the private school went viral last week as many videos recorded by a student with a camera pen showed the use of cheat sheets with supervisors' help at one room for all six subjects of the examinations which ended June 4.
The new one reveals similar cheating in a different room during the math exams on the third and final day of the exam.
D.T.N., the person who has released the damning videos, said the latest one was also recorded with a camera pen by a student in the room, whom he refused to identify.
The 7-minute video shows students turning back and leaning forth to copy answers from sheets brought into the room by some teachers at the private school.
Several students can be seen exchanging answers without any intervention by supervisors.
It shows two teachers, one of whom has been identified as Le Thi Hai, a foreign language teacher at the school, walking into the room and delivering answer sheets in front of two supervisors.
Hai is shown collecting the answer sheets at the end of the session.
Acknowledging that she would be punished for her actions, Hai said, "It was bad luck [getting caught]."
Bac Giang authorities on June 9 last week suspended 28 supervisors for the exam. They are yet to announce official conclusions of investigations into the corruption.
The Ministry of Education and Training has warned that the student who recorded the first videos could be punished because the use of camera pens in an examination room is banned.
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