Posting Groups and Math: What Every Parent Needs to Know The rollout of Full Subject-Based Banding (SBB) in Singapore has replaced the old streaming system. Students are now placed into Posting Groups (PG1, PG2, PG3) after PSLE, and within secondary school, they study subjects at G1, G2, or G3 levels based on their strengths. At … Continue reading Posting Groups and Full SBB G1 G2 G3 Math: What Every Parent Needs to Know