St. Mary's ICSE school is an English medium co-educational school located in Koparkhairane. It is one the best ICSE school of the region. The school was established in the year 2001. The school is managed by MOCCB, which is public charitable trust.
The school imparts education from nursery to class XII. The students of nursery and kindergarten are enrolled in Marydale pre-primary school which is part of the school. The first batch of class X passed out in the year 2008. In 2012-13, class XI was introduced and ISC curriculum for science and commerce was offered.
The school building has been very well-developed. All the classrooms have good air-ventilation and are spacious. The smart classrooms have been designed to make the learning more interesting and understandable and easy. The science lab, computer lab are well-equipped. The library has rich stock of books. The school campus has a large playground where students can play hockey, football and cricket and other sports too. The students of the football team of the school participate in inter-school competitions too.