User talk:2A00:23C4:DC00:4100:C931:20A7:E7A2:91C

July 2020
Please refrain from making unconstructive edits to Wikipedia, as you did at Grading systems by country. Your edits appear to constitute vandalism and have been reverted. If you would like to experiment, please use the sandbox. Repeated vandalism may result in the loss of editing privileges. Thank you. Bmf 051 (talk) 22:40, 26 July 2020 (UTC)