EXCERPT:

In nearly every state in the union, local school districts have the discretion to say whether teachers can wear religious garb such as yarmulkes, turbans and head scarves while on the job. Not around these parts. Oregon is one of only two states with laws that expressly forbid public school teachers from wearing religious clothing.

Read the full article: http://www.oregonlive.com/opinion/index.ssf/2009/07/oregon_law_on_teachers_religio.html