It is possible to use your Private Degree to study Master / Doctorate Degree in local university like NUS.
However you will have almost 0 chance to use your Private Degree to study Bachelor / Honours Degree in local university like NUS.
This is because places for Bachelor / Honours Degree in local university are reserved for local who has Post-secondary qualification (GCE A / Polytechnic Diploma / etc) while for foreigners, it will be an on-campus Bachelor / Honours (mostly from their home country) or equivalent to our Post-secondary qualification.
Private uni degree to NUS degree.Is it possible.
Trying to improve chances of getting a job.
Can private degrees like JCU go into local degree NUS programme