Test validity deaf and hard of hearing

I have some students who have hearing impairments and will not receive amplification for a long time and I have to do their tri assessments. Do I put a blurb that test scores are not valid or how do others handle this? The rest of the school tells me it’s valid if the kid is in front of me and I am very loud. Even if I use a mic + headset, I don’t know it’s truly at the level they need to hear.