2 definitions by Antarvia

Baulko is short for Baulkham Hills High school, a Sydney selective high school in the suburb Baulkham Hills. The selective school has the second highest entry score in New South Wales, behind James Ruse and just above North Sydney Boys. The school has a good atmosphere and it is a good school to go to.
Yeah, he goes to Baulko. Gotta flex those oranges.
by Antarvia June 24, 2020
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A Sydney Selective school (James Ruse) which has the highest selective school entry score and filled with nerds.

They have a rivalry with Baulkham Hills High School and always lose the Tri-School competition.
Man, sucks to be in Ruse.
by Antarvia June 23, 2020
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