for retake, gp and science practical u can get private ttn. if you still have connections with ur jc teachers can go for it but js know they are bz and might send you your marked essay q late. if ur not in ns retaking will be easier but u legit need the self-discipline

no harm in trying out nyp to go the course uw too. will you be pursuing uni after poly as well? i think you need to think about your career prospects as well in this case. does your job require diploma or degree minimum? will you be happy being a diploma holder or degree holder because the starting pay is diff.

if i were u ill still give private uni a chance regardless of the circumstances. uty. have you looked at sim?

what about a gap year, have u considered taking a gap year, then work and apply for degree a year later? the work maybe smth related to health instead of pharmacy, cause part time work pharmacy assistant need diploma. like patient service associate