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About Us

Welcome to Ontario International Secondary School (OISS), a distinguished institution dedicated to nurturing young minds and fostering aspirational growth. OISS stands as a symbol of educational excellence, providing a comprehensive learning experience that goes beyond the ordinary. Our commitment is to empower future leaders through a holistic approach to education that values critical thinking, character development, and a passion for lifelong learning.

At OISS, we create a nurturing environment where academic achievement and personal growth are equally essential.

We believe in guiding each student’s journey with unwavering dedication to excellence, empathy, and limitless opportunities. Our dynamic classrooms, led by passionate educators, encourage innovative thinking and problem-solving. Beyond academics, our diverse range of extracurricular activities ignites students’ passions and nurtures well-rounded individuals. Our vibrant student community is a tapestry of cultures and backgrounds, promoting the celebration of diversity and the embrace of global perspectives. Join us at OISS in shaping a future where knowledge meets innovation, where each student’s unique path is supported, and where success is not just an achievement but a way of life.

A Tradition of Excellence

With a rich history of educational excellence, Ontario International Secondary School has been a cornerstone of our community for years. Our dedicated team of educators brings a wealth of experience and a passion for teaching, ensuring that each student receives the guidance and support needed to thrive.

Holistic Growth

We believe in nurturing well-rounded individuals. Beyond academics, our school places a strong emphasis on character development, leadership skills, and community involvement. We offer a wide array of extracurricular activities, clubs, and sports teams to enrich the student experience.

Preparing for the Future

Our mission is to prepare students not just for high school graduation but for a successful future beyond our doors. Our Pre-University program is a testament to this commitment, bridging the gap between high school and higher education.

Our Approach

We take a student-centered approach to education, where each student’s journey is meticulously guided by a commitment to excellence. Our classrooms are dynamic spaces where ideas flourish, and our extracurricular activities ignite passions and talents.

Diverse Student Community

Our school community is a vibrant tapestry of cultures and backgrounds. We celebrate diversity, encouraging our students to learn from each other and embrace global perspectives.

Join Us

We invite you to join us in shaping a future where knowledge converges with innovation. At OISS, we believe in boundless opportunities, and we are committed to helping each student realize their potential and achieve remarkable success.