Tragedy struck a primary school in Eldoret, Uasin Gishu on Saturday when five class eight pupils drowned at a man-made dam.
According to the police, the pupils had ventured to the Amazement park as part of preparations for the exams that start Monday.
The pupils from Arap Moi Primary School and their teachers went to the park for a boat ride on a man-made dam when it capsized.
"Only one of those who were in the boat and who is a class six pupil survived, "police said.
The pupil was rushed to Burnt Forest Sub County Hospital and later to Moi Teaching and Referral Hospital for medical attention.
Police said the incident happened at about 5 pm.
The victims were later moved to Burnt Forest Hospital where they were confirmed dead. The bodies were moved to the MTRH morgue.
Angry parents of the pupils stormed the school seeking to know the whereabouts of their kin.
Police said tension remained high in the area, forcing the sub-county security committee to be summoned for an emergency meeting on how to handle the crisis.
The officers said they were seeking ways of breaking the sad news to the parents.
Kenya Certificate of Primary Examinations (KCPE) and the Kenya Primary School Education Assessment (KPSEA) will run from October 30 to November 24.
About 1.4 million are KCPE candidates, with 1.2 million KAPSEA candidates while 903,260 will sit for the KCSE exams.