ABC Splash is a great Australian website with video clips and information to support the Australian Curriculum. It is divided into lower and upper primary and addresses topics in English, Maths, History and Science.
National Geographic Kids is a great website for learning about animals and countries. It covers Geography and Science topics.
Science Kids - Fun Science and Technology for Kids A website from New Zealand containing Science and Technology information, quizzes, experiments, videos.... and more!
Kids Web Japan is a website designed especially for students who are learning about Japan. It includes games, information and interactive activities.