Letter of Recommendation Questions for Transfer Students

Hi all!

I’m currently a freshman at a state school hoping to transfer fall of 2019. I think most schools require 2 letters of recommendation from colleges but don’t specify much else.

I’m wondering if TA or PhD student teacher recommendations are acceptable. My school is pretty large and classes are so big that student-professor relationships are really lacking. In particular, one of my professors had a team of 20 TAs and an assistant professor handle all his office hours and emails so I spoke with him a total of 1 time the whole semester.

If TA/PhD recommendations are acceptable, are they viewed less favorably? I know my English teacher (PhD candidate) would write a much more unique, sincere, and positive recommendation than my calculus professor, but my calc professor is highly respected in his field and very well-known/established.

All opinions are welcome!

Thank you in advance!