1. Founded and mentored Mathletes from Years 9 to 12, and competed in various local and international mathematics Olympiad as shown below:
World Mathematics Invitational (WMI)
- Final Round 2020 (online): 1 gold, 2 bronze, and 7 merit
- Preliminary Round 2020 in Indonesia: 3 gold, 4 silver, and 2 bronze
- Final Round 2019 in Fukuoka, Japan: 3 silver, 7 bronze and 6 merit
- Preliminary Round 2019 in Indonesia: 8 silver and 8 bronze
- Final Round 2018 in Yonsei University, South Korea: 2 silver, 8 bronze and 7 merit
- Preliminary Round 2018 in Indonesia: 2 gold, 11 silver, and 6 bronze
- Final Round 2017 in Ho Chi Minh, Vietnam: 2 silver and 6 merit
- Preliminary Round 2017 in Indonesia: 1 gold, 8 silver and 6 bronze
South East Asia Mathematics Olympiad (SEAMO)
- Final Round 2019 (Singapore): 1 gold, 2 bronze and 3 merit
- Preliminary Round 2018 (Indonesia): 7 silver and 6 bronze
World Mathematics Team Championship (WMTC)
- WMTC 2018 in Bulgaria, Europe: 11 bronze and 3 merit awards
- WMTC 2017 in Bangkok, Thailand: 12 merit
Asian Science and Mathematics Olympiad (ASMO)
- ASMO 2017: 5 silver and 7 bronze medals
2. Successfully founded and organized our school's very own annual mathematics Olympiad, Singapore School Mathematics Olympiad (SISMO), which has been participated by various schools around Indonesia where all profits have been donated to chosen charity. (IG: kgmathletes)
3. IGCSE and IBDP
IGCSE Mathematics (0580, Core and Extended)
May/June 2020:
- Extended (47 students): 16 A* , 8 A , 4 B and 2 C
- Core (11 students): 13 C and 3 D
May/June 2018
- Extended (48 students): 15 A* , 18 A , 11 B and 4 C
- Core (11 students): 10 C and 1 D
IBDP Mathematical Studies SL
May/June 2020
- Diploma: IB 6 (1 student) and IB 5 (5 students)
May/June 2018
- Diploma: IB 7 (1 student), IB 6 (2 students) and IB 5 (3 students)
- Certificate: IB 2 (1 student)
May/June 2017
- Diploma: IB 6 (1 student)
IBDP Mathematics Higher Level
May/June 2019
- Diploma: IB 6 (1 student), IB 5 (9 students), IB 4 (1 student) and IB 3 (1 student)
4. Successfully supervised the Jakarta Youth Volleyball Tournament in Jakarta, Indonesia on 2020 as part of IB CAS where all profits have been donated to the chosen charity.
5. Completed various Professional Development for Teachers as shown below:
Professional Development for Secondary Mathematics Teachers
- “Key Learning Theories for the Teaching and Learning of Secondary Mathematics” (2020)
- New Syllabus Mathematics Professional Development for Teachers : “Teaching of Algebra” (2018)
- New Syllabus Mathematics Professional Development for Teachers: “What Research Says about Effective Mathematics Lessons” (2016)
- New Syllabus Mathematics Professional Development for Teachers: “Preparing Students for the IGCSE Mathematics and Beyond” (2015)
- Training from Pearson UK: “International Lower Secondary Edexcel Curriculum Induction” (2015)
- New Syllabus Mathematics Professional Development for Teachers: “Problem-solving Approach in Teaching and Learning Calculus and Geometry” (2013)
- (Shinglee) Singapore Mathematics for Secondary School: “The Successful Method and Effective Teaching Strategies” (2012)
- (Shinglee) Singapore Mathematics for Secondary School: “Effective Strategies in Solving Word Problems” (2011)
- Motivation and the Communicative Classroom (2011)
- Teachers Enrichment Program in Coping New Trend of Classroom Management (2009)
International Baccalaureate Development Program
- IBDP Professional Training for Mathematics Higher Level Category 2 (2017)
- IBDP Professional Training for Mathematical Studies Standard Level Mixed Stages 1 and 2 (2016)
International General Certificate of Secondary Education
- Cambridge Professional Development for Teachers Stage 2 (2012)
- Cambridge Professional Development Programme for Teachers Stage 1 (2009)
6. Other Achievements:
- Awarded as "Teacher of the Year" during Teacher's Day Celebration in ACS. Organized by the parents and voted by the students.
- Won 1st place in the National Level of GenPres Teachers Talent Competition (2012).