It is annually ranked among the top schools nationwide in KCSE[3] and has many notable alumni across business, creative arts, sports,[4] engineering and politics.

[5] Kamusinga is regarded as an academic and extra-curricular giant for its superior performance in national examinations of KCSE and in nationwide and East African regional extra-curricular competitions of field hockey, basketball, science congress, drama and music festival competitions over the years.

He is remembered by the school by holding an annual intra-school sports tournaments dubbed 'Allan Bradley's Day', held on 18 February of every year.

[10] Every year, 300-600 students are selected based on academic merit and quota as per the Kenyan standard education policy.

At any given time, there are needy students whose tuition and boarding fees are paid by parties other than their parents or guardians.

[citation needed] The emblem is a cheetah poised on its back limbs which appears to be clawing the air.

The drama club organizes the biggest comic show of the entire year called "Talents Night" where students simulate the Monday morning school assembly and imitate their teachers.

Punishments include washing corridors and rooms and in some extreme cases, working in the school farm or tending to flowerbeds.

The school's departments include:[26] Kamusinga offers its students opportunities to play various sports and join teams that participate in various tournaments.

The sports include swimming, badminton, table tennis, hockey, basketball, rugby, volleyball, handball and soccer.

Over the years the school has continued to be one of the best basketball teams in the country and east Africa games because of its sterling performance.

[33] The school's dramatics club has over the years represented Western Province in the National Drama festivals in the Narrative category, winning in the whole country and entertaining the head of state from 1999 until 2006.

They produced various narrators and actors including Isaac Mwaura, Augustine Oluoch, John Paul Wafula and Jimmy Wanjala.