Mang'u High School is a Kenyan Roman Catholic National High School established in 1925, located in Kiambu County along the Nairobi-Thika Highway six kilometres (3.7 mi) from Thika, Kenya. Mang'u High School is ranked among the top schools nationwide in Kenya Certificate of Secondary Education and has many eminent alumni including one Kenyan president, several vice presidents, Central Bank of Kenya governor and a former Cardinal.