Is there a way a teacher can unsubmit a letter of recommendation from naviance?

Hello
I have three teachers for my letters of recommendation, due to the fact that half of my schools are for an activity and half are for academics. One of my teachers knows me better in terms of myself in the activity, so I wanted her letter to just go to those schools. Unfortunately, I was misinformed about how naviance works with common app, so she submitted her letter to all of my schools. My most important teacher in terms of knowing me as a student then only got to submit to 2/17 of my schools. I am incredibly disappointed about how this has turned out, and my counselor basically told me that there is no option other than for the teacher to email or mail my letter to the schools I wanted it to be sent to. Is there anything I can do? Can teachers unsubmit a letter, or can I remove schools from my naviance and then reassign? I really would appreciate help here.

I am not sure how Naviance works as our school doesn’t offer it. However, if you contact the colleges and your preferred teacher sends his/her LOR (basically what your GC suggested), you can ask the colleges to consider THAT LOR instead of the first one submitted, and I am sure they will honor that request. It is extra work, but worth it to have an application with which you are satisfied.