You can use this form to close your cash case or withdraw your cash application. Please check the box(es) to tell us what you want us to do.The school district will report my child to Student Management Information System (SIMS) as an English Learner (EL) until my child attains English proficiency. If you are a custodial parent or caretaker, you can ask us to stop providing full child support services on your case. This is sometimes called "opting-out. You can use this form to follow the withdrawal procedure of the Massachusetts school your child is currently attending. Your email can be short and sweet. I am writing this letter to withdraw my admission. It is to humbly request you to kindly cancel my admission. How to find your Opt-Out Window.