in september 1961, the school leased the premises known as "rippleworth" at turret road (dharmapala mawatha) in colombo 3. the younger children remained at the fort while the older children moved to rippleworth. in august 1963 the school in fort had 100 children, while the school at rippleworth, known as the upper school, had about 72 children. in 1967 the school gained accreditation by the international schools association in geneva, switzerland.