A website dedicated to the history of Ebbw Vale County Grammar School
The badge shows the school's Welsh and Latin mottos, "Dall pob anghyfarwydd" and "Palma non sine pulvere", which can be translated into English as "Blind are the uninstructed" and "No success without effort" (although I prefer Mr. Dewi Samuel's more poetic version of the latter: "Not the palm of victory without the dust of battle".