What about the Southwest?
University of New Mexico’s Amigo scholarship (23 ACT/1130 SAT with a 3.5 GPA OR 26 ACT/1240 SAT with a 3.0 GPA) will get him in-state tuition & fees. Tuition, fees, room & board under $17K/year.
https://scholarship.unm.edu/scholarships/non-resident.html
http://financialaid.unm.edu/coa/17-18/main.pdf
CS program is ABET accredited.
http://www.cs.unm.edu