"French perfect tenses I ought to know" is a useful checklist of perfect tense verbs, shared by anyholland. It can be used for quick revision or as a laminated grammar tool for pupils to keep and refer to through the year.
A worksheet from TES English on iambic pentameter in Romeo and Juliet was devised for the WJEC GCSE curriculum, but is adaptable to all students of the play.
Gapminder world - a set of resources from Mr Barton Maths - is a series of videos which can be used to display a host of sets of data, from life expectancy and literacy rates to the quality of a nation's teeth, thus instilling in students a greater understanding of and interest in the world of statistics. A new video will be added each week.