Yeah, Northeastern State University does provide scholarships based on merit. Here are some of them:

Baccalaureate Scholars
Total Worth: $12,733
Eligibility: $12,733
Minimum Criteria: an ACT composite score of 30 or higher, 3.5 high school GPA, exceptional class rank, or status as a National Merit Semifinalist or Commended Student
Application deadline: February 1

Academic Scholars
Total Worth: $11,733
Eligibility: $11,733
Minimum Criteria: Have a composite ACT score of 30 or higher OR 3.8 or higher high school GPA AND Ranked in the top 4 percent of their senior class AND Have a composite ACT score of 28 or 29
Application deadline: February 1

Collegiate Scholars
Total Worth: $4,150
Eligibility: $4,150
Minimum Criteria: an ACT composite score of 26 or higher and a 3.5 high school GPA

Northeastern State University provides aids at an average of 11859 per student meeting 98% of students need. 99% of students with need receive financial aid at an average of 7417 need-based grant. They also provide other scholarships including Tribal Heritage Scholarship and Lois Nichols Memorial Scholarship.