Junior Colleges
| School | Abbrv. | Established | Closed | Notes |
|---|---|---|---|---|
| Anderson Junior College | AJC | 1984 | N/A | (to be renamed as Anderson Serangoon JC in 2019) |
| Anglo-Chinese Junior College | ACJC | 1977 | N/A | |
| 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 | (merging with Yishun JC in 2019) |
| Jurong Junior College | JJC | 1981 | (merging with Pioneer JC in 2019) | |
| Meridian Junior College | MJC | 2003 | N/A | (to be renamed as Tampines Meridian JC in 2019) |
| Millennia Institute | MI | 2004 | N/A | |
| Nanyang Junior College | NYJC | 1978 | ||
| National Junior College | NJC | 1969 | ||
| NUS High School of Mathematics and Science | NUSH | 2005 | ||
| Pioneer Junior College | PJC | 1999 | (to be renamed as Jurong Pioneer JC in 2019) | |
| Raffles Institution | RI | 1982 (as Raffles Junior College) 2009 |
N/A | |
| River Valley High School | RVHS | 1956 2006 (IP) | ||
| Saint Andrew's Junior College | SAJC | 1978 | ||
| School of the Arts | SOTA | 2008 | ||
| Serangoon Junior College | SRJC | 1988 | 2019 | (merging with Anderson JC in 2019) |
| Tampines Junior College | TPJC | 1986 | (merging with Meridian JC in 2019) | |
| Temasek Junior College | TJC | 1977 | N/A | N/A |
| Victoria Junior College | VJC | 1984 | ||
| Yishun Junior College | YJC | 1986 | (to be renamed as Yishun Innova JC in 2019) |