I hope you will find these poetry writing workshops useful.
They have all been tried and tested in dozens of schools.
Hopefully more will appear here over the next few weeks.
Watch this space.

Crossing the River by Roger Stevens. Have fun with this great writing warm-up exercise.

In Mr Magoo’s Amazing Zoo by Roger Stevens. This workshop is all about writing animal poems. It needs no pre-planning and gives some great results. It’s also useful for learning about adjectives and alliteration.

How to Write a Cinquain by Roger Stevens

Let’s Give a Cheer for Onomatopoeia by John Foster

These workshops are free, and may be copied and used within your own school. 
They have individual copyrights.