Secondary schools in Kenya fall into three categories - government funded, harambee and private. Government funded schools are divided into national, provincial and district levels. Harambee schools do not receive full funding from the government and private schools are run by private organisations or individuals. After taking the primary school leaving exam and successfully passing, government funded schools select students in order of scores.
Students with the highest scores gain admission into national schools while those with average scores are selected into provincial and district schools. Harambee schools accept students with low scores. Students who fail their examinations pursue technical and vocational education. The latter is divided into technical secondary school (lasting 4 years) and apprenticeships solutions. Since 2010, technical secondary schools student can have access to university programs. A number of students also drop out of school by choice due to poor scores.
Under the current system, students attend secondary school for four years before sitting for the school leaving exam at the end of the fourth year. The first class or year of secondary school is known as form 1 and the final year is form 4. At the end of the fourth year, from October to November students sit for the Kenya Certificate of Secondary Education examination. In 2008, the government introduced plans to offer free Secondary education to all Kenyans.
Historic prestigious national high schools include Mang'u High School, Alliance High School (Kenya) and Starehe Boys' Centre and School. Private secondary schools in Kenya are generally high cost, offering students an alternative system of education with better or more luxurious facilities compared to public schools. They are often favoured for prestige. Most private schools in Kenya offer the British system of education which includes "O-levels" and "A-levels". Very few offer the American system of education and good number of them offer the Kenya system. Some of the oldest private schools in Kenya include Loreto Convent Msongari, Nairobi (1921), St. Mary's School, Nairobi, Braeburn School, Consolata School, Strathmore School, Oshwal Academy, Rift Valley Academy, Aga Khan Academy, Kenton College and Brookhouse School,