I think these schools fit most of your criteria (although I am not quite sure what your cost limits are); these are all audition based. Although many are private schools, many private schools offer academic merit scholarships for grades within your range:
Fairleigh Dickinson Madison/Florham BA w/MT Conc NJ 6,048
Indiana Pennsylvania BA w/MT Track PA 12,130
New Jersey City BA Music MT NJ 6,229
Point Park PA BA MT 3,226 (artistically more competitive for entry)
Plymouth State NH BA MT 3,787
Rhode Island College BA w/MT Conc 7,518
SUNY Cortland NY BA MT6,317
SUNY Geneseo NY BA MT5,553
SUNY New Paltz NY BA Theatre Perf w/MT Conc 6,642
Temple BA w/MT Conc PA 28,408 (artistically more competitive for entry)
West Chester BA w/MT Emp PA 13,844
Western Connecticut State CT 5,492
These audtion-based schools may be too small (not sure what you meant by “tiny”):
Manhattanville College BA Music w/MT Conc NY 1,798
Marywood PA 2,003
Seton Hill PA 1,582
Susquehanna BA w/MT Emp PA 2,084
Wilkes PA 2,360
Here are some non-audition based programs:
Christopher Newport BA w/MT Track VA
Muhlenberg College BA PA (more academically selective and expensive)
SUNY-Oswego BA w/MT Track NY
If you go to the “Big List of MT College by Program Type” thread, which is posted near the top of the threads, you can find many more programs outside the Northeast that fit your criteria: