Confirming the incident, Molo Deputy County Commissioner David Wanyonyi said police were investigating the matter to establish the cause of the death.
He warned against traditional rites of passage asking parents to modernise the practice.
“As much as these practices are accepted by law, the government is advocating for alternative rites of passage that do not involve illegal activities that may include smoking bhang and molestation,” he added.
And in Nakuru, another candidate is sitting his exams at the County Referral Hospital after he went down with pneumonia on Sunday afternoon.
The student is undergoing treatment and monitoring at the hospital
Dr Silas Lodekee said the candidate had stabilised.
“He is now doing well and we are keeping an eye on him to ensure that he goes on with his exams well and recovers fully," the doctor said, indicating that the candidate might be discharged at the end of the week.
Elsewhere, another KCSE candidate has given birth while doing her exams in Kwale County.
The 18-year-old student from Ramisi Secondary School gave birth to a baby boy on Monday at Msambweni County Referral Hospital.
The hospital’s manager Halima Mwagutsi said that the candidate developed labour pains and was taken to the hospital on Monday morning.
"She safely delivered a bouncing baby boy while she was sitting for her Mathematics paper at around 11am. She later proceeded with her exam at the ward," she said.
Ms Mwagutsi added that the candidate was in stable condition, saying she will continue to sit the remaining papers.
"The baby is also in a stable condition. We will discharge her soon,” she said.
Additional reporting by Fadhili Fredrick