Students from Grade 7 to Grade 12 in the capital city of Hanoi went to schools on the day.
Earlier, those from the first to sixth grades in the 18 suburban districts and town of Hanoi turned to online learning from February 28, part of the local efforts to curb COVID-19 transmission.
In the northern province of Tuyen Quang, the 7th and 12th graders will continue to attend both in-person and online classes in accordance with plans by the provincial Department of Education and Training. Kindergarteners will remain at home while students from Grade 1 to Grade 6 study online.
In northern Bac Ninh province, elementary and secondary schools are asked to devise plans for in-person classes.
Students of Grade 9 and Grade12 in the Central Highlands province of Dak Lak will return to school from March 21, while all students in the north-central province of Nghe An are set to come back to schools from April 4.