The privately registered candidates were arrested on Wednesday after police found them with materials suspected to be Kenya Certificate of Secondary Education KCSE examination papers.
The suspect were released on a bond of ksh. 800,000 each with surety of the similar amount.
The suspects were arrested by a special team of police officers from Nairobi who found them going through the alleged exams papers at Changamwe primary on Wednesday.
They were alleged to be in possession of KCSE Kiswahili composition paper 1 and 2 slated for this week.
Police sources told Baraka FM the suspected materials were also contained in mobile phones and other written materials.
Changamwe police boss Joseph Muthee confirmed that the suspects arrested were five males and 10 female candidates.
“The said materials are contained in electronics, we are yet to confirm after the investigations, some are hand written,” said Mr. Muthee.
He said the fate of the arrested candidates lies in the balance as they were relying on the outcome of the investigations.
“Everything now are under investigations, if the alleged papers are found to be genuine, we will arraign them in court,” added Muthee
Parents and guardians thronged Changamwe police station after the news broke, seeking the release of their students.
They were turned away but some camp outside the police station.