SINGAPORE - Students who sat the O-level examinations from June last year while in the midst of a global pandemic saw marginal improvement from the previous year, with 85.4 per cent of the cohort attaining five or more passes. With this, the class of 2020 secured the best showing at the national exam in at least three decades despite lockdowns and school closures. The O-level results have been on an upward trajectory over the last few years. In 2019, 85.2 per cent secured five or more passes, up 0.4 percentage points from the previous year. In 2017, the figure was 83.4 per cent, and in 2016, it was 84.3 per cent.