OP - we really need stats (GPA, SAT/ACT, and highest level math and your home state although it sounds like you’re from a WUE state…plus need you to fill out that Vandy NPC I linked above - to see if you’ll qualify for aid. If you won’t, then we have to find you colleges that meet your cost either in actual or with assured merit - such as UT Martin that I sent earlier.
Others would be Cal Poly Humboldt (WUE), Montana Tech, and Southern Oregon that would meet your criteria.
But please provide the info I requested and we can collectively maybe find more.
For example, SUNY New Paltz, with merit if you qualify, could get to under $30K.
Thanks