St. Mary's Convent School, located in the serene surroundings of Kasauli in the Shimla Hills, stands as one of the oldest and esteemed institutions. Affiliated to the Central Board of Secondary Education (C.B.S.E.) in New Delhi, this school has a rich history dating back several decades. Situated approximately 6000 ft. above sea level, the school benefits from a picturesque environment that enhances the learning experience for its students.

The school's infrastructure is designed to provide a holistic atmosphere that nurtures the spiritual, moral, educational, and cultural growth of its children. With the academic year commencing in mid-February and concluding in the second week of December, St. Mary's Convent School ensures a comprehensive educational journey for its students.

Established in 1958, St. Mary's Convent School, Kasauli, is managed by the Congregation of the Sisters of the Destitute Pushpadham Province. The institution's educational approach aims to uplift, regulate, and refine all aspects of human life, encompassing physical and spiritual, intellectual and moral, as well as individual and social development. The school places great emphasis on academic excellence, social work, and the overall personality development of its students.

As a co-educational institution, St. Mary's Convent School welcomes boys and girls of all backgrounds, embracing diversity and promoting inclusivity. It offers a balanced, secure, and realistic environment for young learners to thrive and acquire knowledge. The school strives to produce well-rounded individuals who are equipped with a strong personality and are ready to actively engage with and contribute to the community at regional, national, and global levels.

The school boasts a grand architectural building with spacious and well-lit smart classrooms. It also features an extensive library and auditorium, an audio-visual room, and fully equipped laboratories for physics, chemistry, biology, mathematics, and computer studies. The institution extends a warm welcome to the parents of new students, acknowledging their wise decision in choosing this prestigious and esteemed school for their wards' education.