ABC News June 7, 2016

Street Artist Banksy Sneaks in to Paint Mural at School Named After Him

WATCH: Artist Banksy Surprises Grade School Kids With Mural

A child steers a burning, rolling tire with a piece of a stick.

That's the “thank you” gift one famous street artist, known for his controversial paintings, left on the wall of a British middle school after it renamed a school building after him.

Teachers and students of Bridge Farm Primary School in Bristol, England, returned from a half-term break and were shocked by the sight of the 14-foot, fiery painting, signed: Banksy.

The artist is also known for his elusiveness, working overnight when no one is looking and never seeking permission. But Banksy won't be called to the principal's office anytime soon.

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"We just like the fact that we have a Banksy [painting] in the school,” principal Geoff Mason told the BBC. "I think you have to interpret art how you interpret art, so the symbolism in it, I guess, is for other people to work out."

Banksy was the winning choice after students were asked to name a school building after a local hero.

Along with the mural was a note thanking the school for the honor, and a final word of advice: "It's always easier to get forgiveness than permission. Much love, Banksy."