From 1969–1979, Ng studied at Primary Convent Primary and Convent Secondary in
Bukit Mertajam,
Penang. She attended
Nanyang Junior College, Singapore for two years and then did her Bachelor of Arts & Social Science at the
National University of Singapore, obtaining her degree in 1986 studying sociology, English language and philosophy. She obtained her
M.Sc in International Relations at the
London School of Economics & Political Science in 1998. In 1986, Ng was the editor of Kyoto Publication and later joined the Straits Times Press as a journalist. Ng was active as a journalist in Singapore by the late 1980s, with published reporting in
The New Paper as early as 1988. Before joining politics in 2001, Ng was the Senior Political Correspondent of
The Straits Times. Irene has won several journalism and writing awards. After joining politics, she worked as director of programmes and senior research fellow at the Singapore Institute of International Affairs, and later, as a director at
National Trades Union Congress. == Political career ==