I used this self and peer assessment worksheet at the start of a unit of football and at the end. The pupils used the assessments well and accurately.
Although this has year 7 on the planning I have used it with year 5&6 for OAA during the summer.
You can adapt this powepoint for any starter or activity in your GCSE PE syllabus. I used this for a starter in a BTEC lesson but you can play about with the buzzers etc...
This is audit given to pupils to help assess who the G&T pupils are in your school.
This is a round robin tournament layout on a word doc which might be useful for you or sports leaders. It may help plan tournaments at the end of term or wet weather day.