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Welcome to

CORNERSTONE INTERNATIONAL
SCHOOL

Blending heritage and ambition, our school stands at the heart of a dynamic and diverse city

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Nkechi Comfort Smith

Managing Director

Welcome to Cornerstone International School

Located in the heart of Port Harcourt, Cornerstone International School is a dynamic and progressive learning community dedicated to excellence. We are committed to providing a world-class education that empowers students to achieve success in an increasingly global and competitive world.

At Cornerstone, we believe every learner has unique potential waiting to be discovered. Through a balanced approach that includes strong academics, leadership development, creative expression, and essential life skills, we ensure students grow with confidence and character. Our students are taught to think independently, collaborate effectively, and embrace innovation in all they do.

We take pride in creating a safe, supportive, and motivating environment where every child is known, valued, and encouraged to aim higher. With high expectations and a culture built on discipline, integrity, and respect, our students consistently rise to become the very best versions of themselves — truly the Best Among the Best.

As we continue to expand our impact and build on our achievements, we remain focused on shaping future leaders who will excel in higher education, contribute positively to society, and stand out anywhere their journey takes them.


Nkechi Comfort Smith,

Managing Director.

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Our Educational Philosophy

At Cornerstone, we believe that education should be holistic, inclusive, and student-centered. We offer a nurturing and stimulating learning environment that encourages creativity, critical thinking, and academic excellence. Our dedicated teachers and staff work tirelessly to ensure that each student reaches their full potential.

Join Our School Community

We welcome students of all backgrounds and abilities to join our school community. Our admissions process is simple and straightforward, and we offer a range of financial aid options to make education accessible for all. Apply today and take the first step towards a brighter future.

Our Commitment to Safety

At Cornerstone, we prioritize the safety and well-being of our students, staff, and faculty. We have put in place comprehensive safety measures to ensure a healthy learning environment. Find out more by clicking the button below.

500+
Current students enrolled in our schools

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30+

Years of Providing Quality Education

6:1
Average ratio of students to experienced faculty/staff

23+
Alumni graduated from
International Universities 

As Of Today..

10,010+
Alumni have graduated from our schools

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TESTIMONIALS

All five of my children went to Cornerstone's Nursery, Primary and Secondary Schools and today all five of them are medical doctors and consultant doctors, with one even working in the NHS in the UK. I owe everything to the school

Mrs. Mathilda Briggs

Jeffrey started with us from station road in the late 90's with our nursery school and graduated with us from our secondary school. Today, Jeff is a Chemical Engineer working with one of Nigeria's Top oil Firms.

Jeffrey Koko, Chemical Engineer

Many Books

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