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About Koiwa Boys' Senior School
Our heritage, vision and values — and the team that leads a school built on excellence, discipline and faith.
Our story
Heritage & identity
Koiwa Boys' has grown into one of the respected boys' boarding schools of the South Rift, serving families from Litein and far beyond. Known for generations as Koiwa Boys' High School (KBH), the school has transitioned into Koiwa Boys' Senior School under Kenya's Competency-Based Curriculum — now home to three CBC Senior Schools: STEM, Social Sciences, and Arts & Sports Science.
Through the dedication of its Board of Management, Parents' Association, staff and alumni, the school has steadily expanded its facilities — the Legacy Complex, a new science laboratory and modern learning spaces among them — while holding firm to the values that define a Koiwa man.






Our Vision
To produce competent, holistic graduands through the provision of quality secondary education.
Our Mission
To provide quality education to our students in order to equip them with the knowledge, skills and attitudes to be resilient, adaptive, successful and able to contest in the competitive world.
What we stand for
Our Core Values
Leadership
The team that leads Koiwa
Guided by the Board of Management and Parents' Association, and led day to day by the Principal and his deputies.

It is with profound honour that I welcome you to Koiwa Boys' Senior School. As an institution, we remain resolutely committed to the provision of high-quality education that fosters academic excellence, moral uprightness, creativity, visionary leadership and holistic personal development.
Education, in its truest essence, transcends the mere acquisition of knowledge; it embodies the cultivation of character, critical thinking, and the capacity to make meaningful and transformative contributions to society. I take immense pride in the achievements of our learners across academics, sports, music, drama, leadership and co-curricular engagements — a clear manifestation of determination, perseverance and diligence, supported by dedicated teachers and parents.
As we reaffirm the significance of discipline, accountability and mutual respect, I encourage every learner to perceive challenges as opportunities for intellectual and personal growth, and to nurture responsible citizens and future leaders who will positively transform society.
“Excellence is not a destination; it is an enduring journey of intellectual growth, discipline and unwavering determination. Excellence is our Mantra.”
It gives me great pleasure to address our school community. As Chairman of the Board of Management, I am proud of the remarkable achievements our school continues to register in academics, co-curricular activities, discipline and character development. Education is the most powerful tool we can use to transform lives and build a brighter future.
Our school remains committed to providing a conducive environment where every learner can discover their talents, develop their abilities and achieve their full potential — made possible through the combined efforts of dedicated teachers, supportive parents, hardworking students and committed stakeholders.
As a Board, we remain committed to improving school facilities, supporting academic excellence and ensuring our learners receive quality education in a safe environment. Together, we shall continue building a school that stands as a beacon of excellence and a source of pride to our community.
“Success is not determined by talent alone, but by perseverance, determination and a positive attitude.”
On behalf of the Parents' Association, I congratulate our students, teachers and administration for their tremendous achievements. The PA recognises that education is a shared responsibility among parents, teachers and learners — when these stakeholders work in harmony, learners are given the best opportunity to excel academically, socially and morally.
To our students: remain disciplined, focused and determined. The opportunities before you are endless, but success comes through hard work, perseverance and good character. I commend our teachers for their tireless efforts in guiding and mentoring our learners, and thank parents and guardians for their unwavering support and sacrifice.
As a PA, we are proud of the progress made in academics, sports, leadership and infrastructure development, and we pledge our continued support so that every learner receives a holistic education and the opportunity to achieve their dreams.
“When parents, teachers and learners work together in harmony, our children are given the best opportunity to excel.”
The pursuit of academic excellence remains the cornerstone of our school's mission. As Director of Studies, I am delighted to witness the dedication, resilience and determination displayed by both our students and teachers throughout the year.
Quality education is achieved through commitment, consistency and collaboration. Our department strengthens teaching and learning through effective curriculum implementation, continuous assessment, academic monitoring and professional support for teachers.
To our students: success is not determined by intelligence alone but by discipline, hard work, perseverance and a positive attitude. Make every lesson count, complete your assignments diligently and seek guidance whenever you encounter challenges.
“Excellence is achieved through preparation, persistence and continuous improvement.”
The success of any institution depends greatly on effective administration, discipline and teamwork. As the Administration Department, our goal is to create a conducive environment where students can learn, grow and achieve their full potential.
Throughout the year we have emphasised discipline, responsibility, punctuality and respect for school rules and regulations — values that contribute to academic success and prepare learners to become responsible citizens and future leaders. We commend our students for upholding the good name of our school.
As we move forward, let us continue to maintain a culture of excellence, integrity and mutual respect. Through cooperation and commitment, we can achieve even greater success.
“Discipline is the bridge between goals and accomplishment.”
Academic excellence remains at the heart of our school's mission. The Academic Department is committed to providing quality education and creating opportunities for every learner to achieve their highest potential.
Through effective teaching, regular assessments, academic clinics and mentorship programmes, we have continued to strengthen our academic performance and learning outcomes. Success in academics requires consistency, discipline, effective time management and a positive attitude toward learning.
Our sincere appreciation goes to the teachers whose professionalism and dedication continue to inspire academic growth, and to parents and guardians for their unwavering support in their children's educational journey.
“Education is the foundation upon which dreams are built and futures are shaped.”
Boarding life offers learners an opportunity to develop independence, responsibility, teamwork and self-discipline. Throughout the year, students have demonstrated commendable cooperation in observing boarding regulations and maintaining cleanliness, orderliness and harmony within the dormitories.
We appreciate the efforts of our boarding staff, matrons, patrons and student leaders who work tirelessly to ensure the welfare and well-being of all boarders. Their dedication makes the boarding section a secure and welcoming place.
To our students: continue embracing the values of respect, responsibility and consideration for others, so that our boarding community remains a place where everyone feels safe, valued and supported.
“A successful boarding community is built on responsibility, respect and cooperation.”
Heads of Department: English — Mr. Dominic Bor · Mathematics — Mr. Gilbert Cheruyiot · Science — Madam Edna Soi · Social Science — Mr. Robert Kirui · Technical — Mrs. Lorna Ketwony · Arts & Sports — Mr. Vincent Misik · Chaplaincy — Rev. Wesley Sigei.
Ethos & chaplaincy
Faith, character and a God-centred community
The first of our core values is Trust in God, and it runs through school life. A vibrant Christian Union and an active chaplaincy provide worship, Bible teaching, mentorship and pastoral care — helping every boy grow in faith, discipline and service.
“With God, all things are possible.” — Matthew 19:26
Led by the Chaplain, Rev. Wesley Sigei.
