1) Abysmal test scores 2) All but one in a million 3) Complete losers 4) Flunking scores 5) Googol, mostly 6) Goose eggs 7) Most of a googol 8) New-pedometer readout 9) Numbers in the thousands 10) Odometer readout in a new car 11) Round numbers 12) Six in a million 13) Terrible scores Found on https://www.crosswordclues.com/clue/zeroes