Queensland Government, Department of Education, Training and Employment provides a list of student resources, some of which are included below.
BBC Skillwise - Words
Area: English – general
Age group: Middle and upper primary and lower secondary
Synopsis: This site was developed to help adults improve their reading, writing skills but is also useful for middle to upper primary and lower secondary students. It provides fact sheets, worksheets, quizzes and games in: grammar, spelling, reading, writing, listening and vocabulary.