Only one person had/got a 'perfect score' on the test. [=only one person answered all the questions correctly]
If you're 'keeping score' at home, this is the third time that he has run for mayor and lost.
The 'score' was tied at 1–1 [=each team had scored one run] after the second inning.
(..) - That a promise? Straight from heaven. At this rate, I might get back to even. Don't you want to hear the other score? - I know the other score. - All we got is some early leads. Not leads, omens. - You okay? - Don't go yet. (..)1974 The Gambler