Tengecha Boy's High school dormitory in Kericho County was on Monday reduced to ashes.
The school's administration said police have launched investigations to bring to book the perpetrators of the incident.
The extent of the fire damages is yet to be estimated.
Tengecha Boys High School is located in the Bureti constituency in Kapkatet, Kericho county.
The school has a population of more than 600 students and is one of the best performing school in the region.
There have been a series of fire incidents lately in the county.
A couple of weeks ago, some 124 students of Kericho Boys High School in Kericho County were forced to share beds with others after a mysterious fire gutted their dormitory.
A month ago, a dormitory was burned down in Londiani Boys High School, forcing the administration to send the students home for a week.
In Nakuru County several schools have also been hit by the wave of