[4] In 1969, the school began to take in female students, and in 1970, new centralised workshops, science laboratories and classrooms were constructed.

In 2004, the school achieved a 98% distinction rate for Chemistry in the Singapore-Cambridge GCE Ordinary Level examinations.

Another addition that year was the presentation of Singapore Quality Class status in recognition of the efficient organisation of the school.

Scientist and artist Leonardo da Vinci is featured on the school crest depicting an 'all-round' education.

[1] The four houses, named after Albert Einstein, Leonardo da Vinci, Rabindranath Tagore, and Ernest Rutherford, are represented by the colours red, purple, blue and yellow respectively.

A select 15 PHL students will form the panel of the CCM Grant, a programme by the National Youth Council.

As the CCM Panelists, they will be assessing community service project grant applications supported by their peers.

Year 4 PHL students will attend an annual mass training on Effective Communication and Presentation Skills.

TK Band was also invited to play at the Singapore Youth Festival Opening Ceremony 2014 held at Gardens by the Bay.

After 2 years of no school performers TK Band was invited to perform at NDP 2022 as an opening act titled "GO LIVE" The school also has a computer club and a girls Tanjong Katong Floorball team, and a choir that in 2011, as part of the annual Jubilate Festival of Choirs, participated in a choral exam by the London College of Music.