Optimum - Larger sixth forms of 200-300 students tend to perform better, according to new analysis by SchoolDash - suggesting more than half are below the optimum number. https://t.co/cHVjyCSSCO

11:19am PST - December 6th, 2021

Larger sixth forms of 200-300 students tend to perform better, according to new analysis by SchoolDash - suggesting more than half are below the optimum number. https://t.co/cHVjyCSSCO

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