@RoseMarjorieA
Please Learn from this input.
@GK_secretary
Run your Reports. Look at the reports menu. Example:
Sales by Customer Summary, Columns by Item Type or Item Detail. Sales by Customer Detail, filter on the one Item you want, such as Tuition. For this report, Retitle it for "Tuition Sales by Customer" and Memorize it as your own. Now Print it and use the option for Page Break per Major Grouping = one page is each Customer Name.
You don't enter Payments. You apply payments to the Invoices where you listed the unpaid charges and were managing their Due Dates. Or, you will use Sales Receipts.
Yes, you can always Receive to the Parent's name, and see the new Job Column with all the open invoices for their children. That doesn't change Sales Reporting. This is managing Banking data.