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Designed for Growth: Kenya’s

Modern Learning Complex

Turkish-Equipped Labs | 24/7 Security | PWD-Friendly Campus | Sports Champions

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#1 in Kamukunji: Where

Excellence Meets Results

Consistent top KCPE/KCSE rankings since 2017 • 100% IGCSE distinction rate.

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Faith & Knowledge: Building

Complete Futures

Integrated CBC/IGCSE + Madrassa Curriculum | Annual Islamic Seminars | Values-Driven Discipline

With a dedicated team of over 96 educators and a supportive learning environment, California Group of Schools continues to grow, shaping generations of learners equipped for both academic success and purpose-driven lives.

ABOUT US

Excellence is the way forward

California Group of Schools began as a modest vision: to provide accessible, high-quality education rooted in strong moral and spiritual foundations. What started with a single institution has since grown into a thriving academic network serving over 1000 learners across four distinct schools. Over the years, the group has embraced national and international curricula — from CBC to IGCSE and Edexcel A-Levels — while remaining deeply committed to Islamic teachings and the values of SHAQ:

  • Social Responsibility
  • Honesty
  • Accountability
  • Quality

0207 90 7979

Ned Help?

Luqman Ahmed

  • CEO; CGoS
Curriculums Provided

A hub for Excellence and transformation

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Curriculum


1

California International School

Pearson Edexcel Curriculum

iPrimary, iLower Secondary, A-Level, Ontario Secondary School Diploma, IGCSE

  • img Year 4 - Year 13
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Curriculum


2

Senior School. Three years

8-4-4 KCSE Curriculum

California Secondary School is a registered Senior School as per the new CBE curriculum. It offers two pathways; STEM and Social Sciences.

  • img Form 2 - Form 4
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Curriculum


3

California Intergrated Academy

Competency Based Education (JS)

Junior School. Three years

  • img Grade 7 - Grade 9
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Curriculum


4

California Intergrated Academy

Competency Based Education (Middle)

Middle Upper. Three years.

  • img Grade 4 - Grade 6
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Curriculum


4

California Intergrated Academy

Competency Based Education (Lower)

Pre Primary. Two years. | Lower Primary. Three years

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OUR BENEFITS

Reasons for why you should choose ‘CGOS’

We don’t just admit students — we welcome families into a lifelong learning community.

What sets us apart

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Academic Focused

Modern, conducive and well equipped learning environment.

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Excellence Delivered

Good performance track record in the final exams.

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Diverse & Islamic

Diverse curriculums with intensive Islamic programs integrated.

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Our Strength: The Staff

Well trained and qualified teachers and staff members.

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Strong Character Formation

Focus on discipline, values, and spiritual development.

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Strong Parental Engagement

Families are part of the learning journey.

Testimonials

Hear from our school community.

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Abdul Rashid

Parent at CIS

The international curriculum at California International School has given my child a global perspective while maintaining strong academic foundations.

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Bm Ashik

Student at CSS

The college prep program at California Secondary Schools helped me get accepted to my dream university with scholarships.

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Ibrahim Mohamud

Guardian at Islamic Studies

I appreciate how the Islamic Studies program balances academic rigor with spiritual development. My children are thriving in this environment.

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Award Winning

Our Awards & Achievements

Celebrating Excellence: Our Awards & Achievements Stand as a Testament to Our Commitment to Academic and Holistic Brilliance.

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IN 2017

Historic KCPE Excellence

Top student scored 430/500, Mean of 373

Academics
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IN 2019

Math Champions

Won Golden Maths Ratio Contest - Best in Nairobi

Competition
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IN 2019

Debate Podium Finish

3rd Place in Great Debaters Regional Finals

Competition
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IN 2022

Modern Campus Inaugurated

New education complex with labs, PWD access & CCTV

Infrastructure
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IN 2023

Constituency Academic Leaders

#1 in Kamukunji (KCPE 384, KCSE B/8.8 mean)

Leadership
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IN 2024

IGCSE Distinction

8 students achieved A/A* in international exams

Academics
GET INFO

Have a question in mind?

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Our admissions team is ready to guide you through every step.