Subject	Social sciences
Specific subject area	Education Online learning Education during COVID-19
Type of data	Tables Figures Excel file Sav file
How the data were acquired	The data was collected using a Google Forms online survey. The survey link was distributed to students via their class teachers. Student responses were imported into an Excel spreadsheet and analysed using SPSS Version 25.
Data format	Raw Analysed
Description of data collection	The cluster sampling method was used to collect the data. Participating schools were located in 5 provinces, namely Hanoi, Nam Dinh, Quang Binh, Daklak and Can Tho. Targeted respondents for the survey were Grade 6-to-Grade 9 students from 50 secondary schools. A total of 5,327 valid responses were received.
Data source location	Institution: The Vietnam National Institute of Educational Sciences City/Town/Region: Hanoi, Nam Dinh, Quang Binh, Dak Lak and Can Tho Country: Vietnam Latitude and longitude (and GPS coordinates, if possible) for collected samples/data: Hanoi: 21°1′28.2″N, 105°50′28.21″E Nam Dinh: 20° 16′ 45.048″ N 106° 12′ 18.533″ E Quang Binh: 17° 27′ 57.38″ N 106° 35′ 54.226″ E Daklak: 12° 42′ 36.043″ N 108° 14′ 15.907″ E Can Tho: 10°2′13.6″N, 105°47′17.7″E
Data accessibility	Repository name: Mendeley Data Data identification number: 10.17632/cn7vtxdm97.1 Direct URL to data: https://data.mendeley.com/datasets/cn7vtxdm97/1