| Subject | Title Of Competition | Results (Team) | Results (Individual) | Additional Information |
| Science (Overseas Competition) | International Junior Science Olympiad | 1 Team Experimental - Bronze | 3 Gold; 1 Silver | Singapore team consisted of 6 students: 4 from RI and 2 from NUSH. The 2 NUSH students did well too and received Silver. Experiment team included 1 NUSH student |
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| Science (Local Competitions) | Grand Olympiad – Build the Strongest and Most Beautiful Bridge | 3rd | | Track record: Winner of 3 out of 5 editions |
| IEEE Island Wide Quiz | | 1st; 2nd | Participated in Junior College/Secondary School category |
| “Astrigue” Astronomy Challenge | 3rd | | Track record: Winner of 1 out of 3 editions |
| YDSP Academic Awards for Physics 2007 | Prize Winners | | |
| Team Astronomy Competition | 2nd | | |
| Advanced Astronomy Competition | 2nd | | |
| Singapore Science & Engineering Fair | Gold | | |
| Science Quest | 1st | 1st; 2nd | Track Record: Winner of 12 out of 14 editions |
| C.B. Paul Memorial Quiz | 1st; 2nd | 1st; 2nd; 3rd | Track Record: Winner of 17 out of 30 editions |
| Physics On-line Olympiad Quiz | | 9 out of 11 Distinctions Awards | RI produced the Top 3 scorers |
| Singapore Youth Science Festival Shell Science Fair | Top Institution Award | | RI won the Top Institution Award for highest number of awards received |
| Eco-Challenge | 1st | | Track record: Winner of 2 out of 2 editions |
| The Inaugural Singapore Junior Water Prize Competition | 2nd | | |
| Physics Open House – Motor Competition | 3rd | | |
| Physics Open House – Physics Presentation | 2nd | | |
| Physics Open House – Physics Quiz | 1st | | Track Record: Winner of 10 out of 10 editions |
| Astro-Challenge | 1st, 3rd | | Track Record: Winner of 3 out of 6 editions |
| Lee Kuan Yew Mathematics & Science Awards | Prize Winners | | |
| Blue Earth Greening 2008 | Champion | | |
| Republic Polytechnic Scientific Thinking Programme | Outstanding Project Award | | |
| Eureka! Quiz | 1st | | Track Record: Winner of 14 out of 16 editions |
| Green Genius | 2nd | | |
| Amazing Lab Race | 1st | | Track Record: Winner of 2 out of 3 editions |
| Ngee Ann Polytechnic Green Building | Team 3 rd overall (bronze award), and winning the coveted "Best model" award | | |
| International Competitions & Assessments for Schools (Science) | Medal winners for best in nation | 109 of our students achieved High Distinction, 295 Distinction and 331 Credit | |
| Clean Energy Challenge | 3rd | | |
| Creative & Heuristic Applications of Science (CHAOS) | Champion; 3rd | | |
| Youth Science Conference – Science Mentorship Programme | | 3 Distinction & 3M Best Poster Awards; 4 Distinction | RI teachers, Mrs Kua Miew Kheng, Mr Koh Siak Peng and Dr Jeffrey Lee were awarded Outstanding Teacher-Mentor Awards |
| Youth Science Conference – School-based Science Mentorship Programme | | 1 Gold; 2 Silver; 2 Bronze | |
| National Science Challenge | 1st | | Track Record: Winner of 3 out of 5 editions |
| Genetic Modification Advisory Committee Reporters’ Challenge | 2nd | | |
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| Mathematics (Overseas Competitions) | World Youth Inter City Mathematics Competition | Gold | 2 Silver; Bronze | |
| China Western Math Olympiad | | 2 Silver; 1 Bronze | |
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| Mathematics (Local Competitions) | Maths Quest 2008 – The Hwa Chong Challenge | Champion; 4th | 1st, 4th, 4th, 7th,11th | |
| National Junior College Secondary Mathematics Challenge | Champion; 3rd | 2nd, 3rd & 1 merit prize (6th-10th) | Team Champions since 2003 (6th consecutive year) |
| Singapore International Maths Challenge | Pre-Site Challenge First Award (Top 8 teams); Pre-Site Challenge Second Award (Next best 15 teams outside the top 8 teams); On-Site Challenge Merit Award (equivalent to Second Award for Pre-Site Challenge) | | |
| Singapore Mathematical Olympiad (Junior Section) | Champion | 1st, 4th, 5th, 9th, 10th | Champions for the 5th consecutive year and earned the lifelong right to keep the challenge shield. |
| Singapore Mathematical Olympiad (Senior Section) | Champion | 1st, 3rd, 5th, 6th | Champions since 2003 (except 2005) |
| Singapore Mathematical Olympiad (Open Section) | 3rd | 2nd, 5th | Participated in Junior College/Secondary School category. Lost to joint champions, former RJC & HCI by 1 point. |
| Global Indian Int’l School Inter-School Math Quiz | Champion | | |
| American Mathematics Competition & American Invitational Mathematics Exam | | 35 certificates of Distinction; 4 AMC12 Distinction pins; 3 AMC10 Distinction pins. | 5 students qualified for the USAMO. |
| Australian Intermediate Mathematics Olympiad | | 7 students obtained perfect scores of which 6 were from RI | 7 out of 711 entries |
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| InfoComm Technology (Overseas Competitions) | ThinkQuest International | | First (Under-15) | |
| International Schools Cyberfair | Platinum Award | | 3rd Platinum in 3 consecutive years |
| Australian Informatics Compeition | | 3 High Distinctions; 12 Distinctions | |
| International Olympiad in Informatics | Bronze | | |
| 2008 International Competitions and Assessments For Schools | | 2 medallists; 2 High Distinction; 141 Distinction | |
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| InfoComm Technology (Local Competitions) | National InfoComm Competition | Gold | | 2nd Gold in 2 consecutive years |
| National Olympiad in Informatics | Gold | | 2nd Gold in 2 consecutive years |