四大中学都是自主学校，每月三百块。除非你家愿意为了谷省钱上烂学校。

https://www.moe.gov.sg/education-in-sg/our-schools/types-of-schools

Independent schools have the flexibility to set their own fees and develop their academic and non-academic programmes. While most independent schools offer GCE O-Level or A-Level examinations, two independent schools also offer the International Baccalaureate (IB) Diploma Programme.

Some independent schools are alsoSpecial Assistance Plan (SAP)schools that are committed to nurturing bilingual and bicultural students who are immersed in the Chinese language and culture, and are equipped with a global outlook.

Key offeringSome flexibility in programmes and curriculum, and flexibility to charge different fees.
FeesSingapore Citizens: $300 to $600 per month.Permanent Residents: $600 to $1,000 per month.International students: $1,000 to $2,500 per month.

越好越贵。