Marshfield School District - Exercise and Sports Science http://www.cms4schools.com/news_rss.cfm?detailid=4903&memberid=26 Marshfield School District - Exercise and Sports Science PE Central http://www.pecentral.org/ P.E. 4 Life http://www.pe4life.com/ PE Links 4U http://www.pelinks4u.com/ 4Teachers http://www.4teachers.org/ NASPE http://www.aahperd.org/naspe/template.cfm AAHPERD http://www.aahperd.org/index.cfm WISCONSIN DPI http://dpi.wi.gov/index.html Doctor's Excuse http://www.marshfield.k12.wi.us/newsfile1725_1.pdf