Not in other parts of the world, smart one. American English isn't the only "correct" way.

Unless you live in any other English speaking country...like New Zealand, Australia, or um, England

Organise and organize are different spellings of the same word. Organize is the preferred spelling in the U.S. and Canada, and organise is more common outside North America. This extends to all the word’s derivatives, including organized/organised, organizing/organising, and organization/organisation.

I'm kidding about the beat his a*ss part. I know you want to, but it would be a horrible idea. Then she would feel justified in her debauchery, you'd look like "the bad guy", and likely even go to jail (cuz you just KNOW she would press charges.)