PBS
Pbs Kids: Caillou Paper Dolls for Vocabulary Building
Children learn vocabulary, using character dolls from the popular TV series on PBS stations, Caillou, as learning tools. Use Caillou and Rosie dolls and an assortment of outfits to talk about clothing, the verbs that go with dressing,...
Other
Using English: English Language Quizzes
Over 200 short self-quizzes for English learners at beginner and intermediate levels. Quizzes span topics including spelling, grammar, vocabulary, and punctuation.
Other
Using english.com: English Grammar Quizzes & Worksheets
A nice treasure trove of printable grammar worksheets organized by proficiency level: beginner, intermediate, and advanced. Emphasis is on parts of speech but you'll also find some that focus on common spelling issues and vocabulary...