Applicants can obtain the results either through the JAE website (http://www.moe.gov.sg/admissions/joint-admissions-exercise) or by having SMSes sent to the mobile phone number provided during registration.
Those posted to a Junior College (JC) or the Millennia Institute (MI) are to report there on Feb 1 at 7.30am, while those posted to a polytechnic or an Institute of Technical Education (ITE) course will receive further instructions via an enrolment package that will be posted to them.
Source: straitstimes.com, https://www.straitstimes.com/singapore/education/posting-results-for-joint-admissions-exercise-to-be-released-on-jan-31