Probably you are familiar with the Common European Framework of Reference for Languages, which is chiefly of assistance to students. Thanks to that they can evaluate their language and find their level of proficiency.
Cambridge has come up with a framework for teachers. You may find a summary here: http://www.cambridgeenglish.org/images/165722-teaching-framework-summary-.pdf
Having some time on my hands I cannot resist the temptation to evaluate my teaching before the dreadful/ joyful September.