Using old insurance policy for high school sports?

-Okay so I have no medical insurance, However my dad used to and he recently got fired and lost it. I want to join a sport at my school but the insurance prices are way too high. So I was wondering if we could use his old policy numbers?? I'm not going to go to the doctor or anything I really don't need it but the school is requiring it.You are lying.

No you don't plan to go to the doctor, but what happens if you get an injury playing this sport.

When the school finds out that you lied, you can expect some severe consequences.The school needs you to have a policy that you can use if you get injured and need to go to the doctor (or hospital).
No, you can't use the old number as the policy is not active.
Of course you can't! What a sillyquestion.