Total Students
Faculty Members
Years of Excellence
% University Transit
"Welcome to St. Mary's Senior Girls School, Isiolo. As a Catholic institution, we are committed to providing a holistic education that empowers young women to excel academically, grow spiritually, and lead with compassion."
Bishop of Isiolo & School Manager
We provide more than just education; we offer a transformative experience that prepares young women for the complexities of the modern world.
Our curriculum emphasizes Science, Technology, Engineering, and Mathematics to prepare students for future-tech careers.
Integrated leadership programs that teach responsibility, team management, and problem-solving skills.
Extensive programs in athletics, music, drama, and fine arts to nurture diverse talents and physical wellbeing.
Modern, comfortable, and highly secure boarding facilities provided in a serene academic environment.
"St. Mary's didn't just teach me how to pass exams; it taught me how to lead. The values I learned here continue to guide my career in law today."
Class of 2015, High Court Advocate
"As a parent, I've seen my daughter grow into a confident, God-fearing, and academically brilliant young woman. Truly the best investment for her future."
Parent, Form 4 Student
Principal, St. Mary's Isiolo
"At St. Mary's, we believe that education is the most powerful weapon which you can use to change the world. Our dedicated staff works tirelessly to ensure that every girl who walks through our gates leaves with the knowledge, confidence, and faith to conquer any challenge."Read Full Message
"True education does not only impart academic knowledge but empowers young people to discover their God-given potential and to use their talents responsibly in service to humanity."
Rt. Rev. Peter Munguti Makau, IMC
Bishop — Catholic Diocese of Isiolo & School Manager
"Console My People" — Isaiah 40:1
We are proud to present our annual school magazine, capturing the vibrant spirit of St. Mary's.
This
edition features:
Keep up with the vibrant life and achievements at St. Mary's.
Our students continue to break barriers in science and technology, as highlighted in this year's magazine feature on innovation and excellence.
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Celebrating our athletes' outstanding performance in national competitions. Our girls have shown resilience and team spirit on and off the field.
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A vibrant display of our diverse cultural heritage and artistic talents. The annual Extravaganza brought the whole community together.
Read Full StoryCelebrating the hard-won achievements of our students in academics, sports, and innovation.
Ranked among the top 100 schools nationally for consistent KCSE performance over the last 5 years.
1st Place Winners at the Regional Science Congress for "Innovative Smart Irrigation Solutions."
Recipient of the "Best Sporting School" award in Isiolo County for Volleyball and Track events.
A glimpse into the vibrant daily life, celebrations, and learning experiences of our students.
Join a community that values character as much as competence.
1st Place Winner - Regional Innovation
Top Performing School in Isiolo County
Mainland League Gold Trophy
Outstanding Performance in Choral Verse
Certificate of Digital Transformation
"Success is not just about trophies, but the character built in the journey."