Texas A&M University–Texarkana is a public university in Texarkana, Texas, United States. It is part of the Texas A&M University System. Students who reside in Oklahoma and Arkansas attend at in-state tuition rates, and historically 30 percent of the student body is from Arkansas. Louisiana residents who reside in a parish that borders Texas may al…Texas A&M University–Texarkana is a public university in Texarkana, Texas, United States. It is part of the Texas A&M University System. Students who reside in Oklahoma and Arkansas attend at in-state tuition rates, and historically 30 percent of the student body is from Arkansas. Louisiana residents who reside in a parish that borders Texas may also attend at in-state tuition rates.