The progress of the school can be viewed from the milestone of the foundation of the school's new building on the old hospital site on September 2, 1950. The school grew with the erection of the modern building on the slopes of the hill at Young Road (now known as Jalan Cenderasari). This building answered the need for facilities to Domestic Science and music. It contained tow large kitchens, a sewing room, a music room and six classrooms indicating the simultaneous growth of curriculum and population.
 

A further extension of two classrooms, an Art Room, a Prefects' Room and a sick-bay was added to the building. In 1970, under the Headship of Mrs. F.R. Bhupalan, MGS was the first girls' school to begin the Form Six classes. As there was a lack of space to accomodate the form six students, the hostel was purchased and altered into classrooms.

In the 80's under the headship  of Mrs Chin Yoong Sun, a volleyball court was built and this provided space for the girls another team game to enjoy. The 90's saw changes in the physical aspects of the school. The school field was returfed and the badminton courts were enlarged and used as the assembly area. The roads of the compound were resurfaced with parking lots and demarcated. There were also two gazebos built in front of the school to serve as shelters for the girls before and after school hours. Under the headship of Mrs S. Balakrishnan, the new canteen adjacent to the Form Six Block was built and completed in 1996.
 

                    The gazebo to shelter the students during rain or shine before and after school hours