Britannica SchoolA source for all grades (Pre-K-12) and all reading abilities. Available at three levels--elementary, middle, and high. NOVELNY
Kids InfoBitsContains over 550 age-appropriate magazines for grades K-5. Also includes Merriam-Webster's Elementary Dictionary, maps, flags, seals, charts and graphs. NOVELNY
Research in ContextContains magazines, newspapers, primary sources and videos for students in grades 6 to 8. NOVELNY