The national average grade improved to 4.80 compared to 4.86 in 2019.
Those affected by the Covid-19 pandemic can apply for deferrals from tomorrow to Aug 31.
This is in light of the continuing spike in Covid-19 infections, says education minister.
They say the education ministry must provide clear communication to address the concerns raised by parents and teachers about the way forward without the Standard Six exam.
Prime Minister Lee Hsien Loong says school students aged 12 and over will be the next group to be inoculated.
They say students resort to unconventional methods such as the National School Walkout Day due to a lack of action when they do use the proper channels.
While some say it is too early to predict their fate, others acknowledge a need to re-evaluate their approach to the extra classes which have long been a mainstay of students preparing for exams.