Online Public Library Edition Content for all ages
Online Public Library Edition: Kids Especially for middle school and elementary students
Online School Edition For Pre-K through 12th Grade
Elementary School Edition For K-12
Middle School Edition Ideal for 6th - 8th grade students
High School Edition  
Learning Zone Play, discover and create. For Pre-K - 2nd grade
Spanish Reference Center  
Spanish Edition: Escolar (K-8)  
Spanish Edition: Moderna (9-12)  
Annals of American History Full text of primary documents in American history, including historical accounts, speeches, memoirs, poems, editorials, landmark court decisions, and cultural criticism. Also has multimedia files, including hundreds of images and video and audio clips of famous speeches.
World Data Analyst

Current and historical statistics on the countries of the world makes historical and cross-national comparisons easy. Allows creation of tables, charts, and even export the information to a spreadsheet for data crunching and deeper analysis.