A Metasite is a Web site that attempts to comprehensively cover a particular discipline topic or subject area. The site is usually divided into sub-categories and may include hundreds or even thousands of links to other Web sites, all of which are related to the topic, discipline or subject being covered. It may or may not include original content. The Metasites included in this listing were selected from the nearly 500 Metasites reviewed. They may be accessed via the "K12CyberPedia" at http://WWW.Lib.CSUFresno.EDU/CurriculumJuvenile/K12CyberPedia. The sites link to lesson plans, a wide variety of educational content (curriculum, instructional, and teaching materials), and other information of interest to educators. All of the material is available free of charge and geared toward use in preK-12 educational settings. Each of the top 100 sites includes a concise annotation based on the compiler's personal experience with the site. A second group of 100 "honorable mention" sites is listed (without annotations). Additional detail regarding the listings' content, organization/navigation, intended audience, and updates, along with the compiler's qualifications and a disclaimer, are included. (Author/AEF)