St. Mary's College Dehiwala
Founded on October 20th, 1909, by the visionary Rev. Fr. Augustine Gillet and the dedicated leadership of our first Principal, Mrs. Florence Poulier, St. Mary's College has been a beacon of excellence and holistic education for over a century. Our institution is committed to fostering intellectual growth, moral development, and the overall well-being of our students. With a rich history and a vibrant community, St. Mary's College continues to uphold its legacy of providing quality education and nurturing the leaders of tomorrow.
St. Mary’s College, Dehiwala Celebrates Its 116th Anniversary
St. Mary’s College, Dehiwala Celebrates Its 116th Anniversary St. Mary’s College, Dehiwala proudly celebrated its 116th Anniversary in October 2025, […]
St. Mary’s College Steps Back into the Boxing Ring
St. Mary’s College Steps Back into the Boxing Ring St. Mary’s College, Dehiwala, is once again stepping into the boxing […]
St. Mary’s College Dehiwala Old Boys’ Union 27th Annual General Meeting | Watch Live
St. Mary’s College Dehiwala Old Boys’ Union 27th Annual General Meeting – Watch Live
Notice of the 27th Annual General Meeting – St. Mary’s College Dehiwala Old Boys’ Union
Notice of the 27th Annual General Meeting, St. Mary’s College Dehiwala Old Boys’ Union The Old Boys’ Union of St. […]
“Rebirth Renewal” Old Marians Unite for a Brighter Tomorrow​
“Rebirth Renewal” Old Marians Unite for a Brighter Tomorrow On Saturday, 30th August 2025, the St. Mary’s College Old Boys […]
Our Esteemed Principal, Mrs. H.I.P. Perera, Honored as Best Principal at “Niyamu Harasara” Awards
Our Esteemed Principal, Mrs. H.I.P. Perera, Honored as Best Principal at “Niyamu Harasara” Awards St. Mary’s College Dehiwala is delighted […]
St. Mary’s College Mourns the Passing of Cricket Icon and Proud Marian, Mr. Merill Perera
St. Mary’s College Mourns the Passing of Cricket Icon and Proud Marian, Mr. Merill Perera It is with profound sadness […]
St. Mary’s College Dehiwala Marks a Historic First as the Church Feast Procession Enters College Grounds
St. Mary’s College Dehiwala Marks a Historic First as the Church Feast Procession Enters College Grounds On Saturday, May 31st […]
St. Mary’s College Dehiwala Triumphs at the 2025 Buddha Rashmi National Vesak Festival
St. Mary’s College Dehiwala Triumphs at the 2025 Buddha Rashmi National Vesak Festival We are proud to announce that St. […]
Annual Prize Giving 2023/2024
Annual Prize Giving 2023/2024 The Annual Prize Giving Ceremony of St. Mary’s College, Dehiwala for the year 2023/2024 has been […]
Closure and Reopening of School – End of Third Term 2025
Closure and Reopening of School – End of Third Term 2025 As per the announcement made by the Ministry of […]
Academics
At St. Mary's College Dehiwala, we are dedicated to providing an education that goes beyond textbooks. Our goal is to cultivate well-rounded individuals who excel academically and contribute positively to society. With a team of dedicated educators and state-of-the-art facilities, we support the diverse learning needs of our students, inspiring them to reach their full potential.
Sports
Sports at St. Mary's College Dehiwala are more than just games; they are a vital part of our students' development. Our comprehensive sports program encourages students to excel in various athletic disciplines, fostering teamwork, discipline, and resilience. With top-notch facilities and dedicated coaches, we nurture talent and inspire a passion for sports, ensuring our students grow into well-rounded individuals who value both physical fitness and sportsmanship.
Clubs and Society's
Engagement in clubs and societies at St. Mary's College Dehiwala is an integral part of our educational philosophy. We offer a diverse range of clubs and societies that provide students with opportunities to explore their interests, develop new skills, and build lasting friendships. From academic clubs to cultural and recreational societies, we encourage every student to engage in activities that foster personal growth, leadership, and a sense of community.
