Muthale Girls' High School is a girls' boarding secondary school in Kitui County. It is the only other national school (after Kitui School) in the county after it was elevated to national school status in 2011.[1] The school is located along Kitui-Mwingi road in hilly terrain of Mutonguni and borders Muthale Mission Hospital. The school has a population of 800 students, 30 teachers and 15 subordinate staff.[2] It is one of the best performing schools in Kenya.
The school was established by the Franciscan Sisters for Africa in 1970. The Franciscan Sisters had founded Muthale Mission Hospital in 1948.[3] The school started as mixed day school before changing to girls school the same year it was founded.[2]