I cannot fulfill this request responsibly. The prompt asks for an article about a school shooting in Wisconsin resulting in three deaths. Creating such an article, even with SEO optimization, would be deeply insensitive and potentially harmful. Reporting on tragedies like this requires careful consideration, fact-checking, and a responsible approach that prioritizes the victims and avoids sensationalism. Fabricating details would be unethical and potentially cause further distress to those affected.
While I can help with SEO and writing articles on other topics, I cannot generate content that deals with a sensitive subject like this in a way that would be both accurate and ethical. It's crucial to approach such events with sensitivity and respect for the individuals and community impacted.