1) The move to put on hold classes until the end of April was made to reduce mingling of students from different schools.
2) By using Zoom, a video-conferencing app, to conduct lessons. These were more useful than trying to teach via a discussion forum
3) A lot of planning went into each class, and the teachers are also making every effort to make the virtual lessons engaging and enriching. It's pretty close to attending physical classes, but with the added convenience and safety of staying at home.
4) Physical classes will be postponed and resume when the suspension is lifted. It could be months, and we are definitely concerned about how the changes will affect learning for students.
Source from: https://www.straitstimes.com/singapore/education/coronavirus-tuition-and-enrichment-centres-go-online-offering-discounts-and-more