1970- The new primary school was opened at a new site, near the Lake Gardens. Thus, the main school building became a secondary school on its own. The secondary School was donated RM20,000 towards the Primary School Building Fund.
1971 - The Integrated Science, Physics and Chemistry Laboratories were completed together with anew meeting room. Two students, Junaidah Aman and Sooriya Kumari, were selected to represent Malaysia in the South-East Asia Games (SEA).
1972- Miss F.R. Knight retired after 19 years as the principal. Under her guidance, the school had flourished and the school is continuing so under the hand of Miss Satwant Kaur, who took over as principal. Junaidah Aman represented Malaysia in the Olympic Games in Munich, West Germany.
1973- Junaidah Aman became the pride of the school when she begged the "sportswoman of the year" title.
1976- This school obtained the highest MCE percentage passes among the Taiping schools. For the first time, The form 3 pupils sat for the Modern Maths. Paper for the LCE examinations.
1977- A bicycle shed was built behind the form3 block by Parent Teacher Association and the toilet block was renovated.
1978- The Art Room was converted into a Chemistry laboratory. Our form 3 pupils took their LCE exams, in Bahasa Malaysia for the first time. Our school won the local International School Debating trophy, Lee Tung Mooi challenge cup, for the second successive year.
1979- The school celebrated its 90th birthday.
1980 - 3 badminton courts and all purpose court was built.

1981 - Ching Joo Lan, a student, was selected to represent Malaysia at the Sea Games in Jakarta.
1982 - The PIBG contributed a fan to every class. The school debate team won the Lee Tung Mooi challenge cup for fourth time.
1984 - The modification of the library is completed this year. A TV Room and the Computer Room were provided.
1985 - The Domestic Science Kitchen was renovated by adding 2 Sewing Rooms, 2 Domestic Science Kitchens and stoves. A shed was built at the entrance of Walker Road. It was contributed by Dato' Paul Leong who also made a donation for the library equipment. Tay Poh Hong was selected to play volleyball for Malaysia in the SEA Games in Bangkok. The PIBG decided on the Canteen Day as an annual fund-raising project.
1986 - Room II was converted into a lecture theatre and toilets were modified, thanks to Dato' Paul Leong's contribution. The PIBG contributed a large sum to modify the Counseling Room and the old dental clinic was converted into an Art Room. Clubs and Societies were made compulsory for Remove, Form One and Two girls.
1987 - The old Hostel Block was bought over from the Methodist Mission and was converted into classrooms.