Can you submit tests that weren't listed on Comm App?

I took the ACT in december and I thought I did horrible so I never put it on the common app as a planned test since I wanted to know my score.

I got the score today and it was actually really good, so can i still send to my colleges or will they not accept it since i never listed on the common app that i planned/was taking it.

Reporting Scores on the common app is optional. So definitely send it in.