In Students > Demographics > Free School Meal Students you can see a list of all the students who are eligible for free school meals, including their name, year group, reg form, start date and end date.
You can add students to this page following these instructions: Adding Free School Meal (FSM) Eligibility
Click on the filters at the top of the page to narrow down your search. You can filter the students by their start and end dates, by Reg. forms, year groups and houses. You also have the option to select current students only.
If you click on a student's name, you will see that student's free school meal information in more detail.
If you click on the orange 'Edit' button on the top right side of the box, you will be able to change the student's free school meal eligibility dates.