pass something with flying colours

(verb) to get a very high score on a test

Example Sentence:

Mom! Dad! I passed my math test with flying colours!!

If you keep passing your tests with flying colours, Steven, you’ll be the best clown to graduate from clown school!

Timmy’s parents promised him a new bicycle if he passes his science exam with flying colours.

From the Blogs:

Samsung i7500 passes FCC with flying colors

Media: