I would like to ask how to sign up for DSA and GAT without marks because my son's school only gives grades and not marks. :?

I would like to ask how to sign up for DSA and GAT without marks because my son's school only gives grades and not marks. :?

I would like to ask how to sign up for DSA and GAT without marks because my son's school only gives grades and not marks. :?

I would like to ask how to sign up for DSA and GAT without marks because my son's school only gives grades and not marks. :?