Yes. Students enrolled in full-time courses at approved institutions can work up to 16 hours per week during term and full-time during holidays, without a work permit.
The Tuition Grant Scheme is a subsidy provided by the Singapore Government to reduce tuition fees for international students at public universities and polytechnics. Students who accept the grant must sign a bond to work in Singapore for 3 years after graduation.
Typically, student visas in Singapore do not allow dependents to accompany the student. Exceptions may apply for postdoctoral or research candidates under specific schemes.