CTSS Calendar 2024
Motto, Vision, Mission & Values 2024
Principal's Message
School History
School Song
Full Subject Based Banding (Full SBB)
CTSS Calendar 2024
School Brochure
CTSS Biennial School Magazine 2021 2022
School Wide Achievements
2023 National Public Speaking Competition
Lee Kuan Yew Award for All Round Excellence 2016
Lee Hsein Loong Award for Innovations in Normal Course (2009 & 2015)
Mathematics W1COL
Reading Excellence Award
2nd Prize received by Darren and Si Min for the ASEAN Students Science Project Competition 2018
Gold Award in 6th Singapore International Band Festival 2018 by CT Winds
1st in Upper Sec Normal Academic in All Singapore Secondary Mathematics Competition
3rd in 2018 West Zone C Division Volleyball Competition
Outstanding Achievement in the National Schools Literature Festival 2018
Outstanding Achievements in the Singapore Youth Festival 2021
Outstanding Clementeens
Lee Kuan Yew Award for Mathematics and Science 2023
NSF of the Year 2023
CTSS Excellence Awards Winners 2023
Singapore Science and Engineering Fair (SSEF) 2023
Baden Powell Award 2023
National Poetry Recitation Competition 2023
Inter Schools Tchoukball Competition 2023
NCC Unit Recognition 2023
NCDCC Unit Overall Proficiency Award 2023
West Zone Volleyball Competition 2023 Champions
Outstanding Alumni
Archive of Past Achievements
Useful Links For Staff
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