Google has a group working on improving search and educating people in how to search more efficiently. They also have Google Certified Teachers creating lesson plans that will work at almost any grade level. You can find K-12 lesson plans on the Google in Education website, as well as posters. Teachers can create Google Custom Search Engines, where they control the websites being searched, allowing students to focus on keyword choice and notetaking. This is effective for students before they have learned website evaluation.
The Web Search Evangelism website has more resources, including webinars and classes that sometimes are offered in-person at the Google offices.