Junior Colleges
| School | Abbrv. | Established | Closed | Notes |
|---|---|---|---|---|
| Anderson Serangoon Junior College | ASJC | 1984 (as Anderson Junior College) 2019 |
N/A | N/A |
| Anglo-Chinese Junior College | ACJC | 1977 | ||
| Catholic Junior College | CJC | 1975 | ||
| Dunman High School | DHS | 1956 2005 (IP) | ||
| Eunoia Junior College | EJC | 2017 | ||
| Hwa Chong Institution | HCI | 1974 (as Hwa Chong Junior College) 2005 | ||
| Innova Junior College | IJC | 2005 | 2019 | (merged with Yishun JC in 2019) |
| Jurong Junior College | JJC | 1981 | (merged with Pioneer JC in 2019) | |
| Jurong Pioneer Junior College | JPJC | 1999 (as Pioneer Junior College) 2019 |
N/A | N/A |
| Millennia Institute | MI | 2004 | ||
| Nanyang Junior College | NYJC | 1978 | ||
| National Junior College | NJC | 1969 | ||
| NUS High School of Mathematics and Science | NUSH | 2005 | ||
| Raffles Institution | RI | 1982 (as Raffles Junior College) 2009 | ||
| River Valley High School | RVHS | 1956 2006 (IP) | ||
| Saint Andrew's Junior College | SAJC | 1978 | ||
| Serangoon Junior College | SRJC | 1988 | 2019 | (merged with Anderson JC in 2019) |
| Tampines Junior College | TPJC | 1986 | (merged with Meridian JC in 2019) | |
| Tampines Meridian Junior College | TMJC | 2003 (as Meridian Junior College) 2019 |
N/A | N/A |
| Temasek Junior College | TJC | 1977 | ||
| Victoria Junior College | VJC | 1984 | ||
| Yishun Innova Junior College | YIJC | 1986 (as Yishun Junior College) 2019 |