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

Alumni Legacy Non-Resident Tuition Waiver Scholarship
Total Worth: Waives amount of Non-Resident Tuition for non-Idaho resident students
Eligibility: Waives amount of Non-Resident Tuition for non-Idaho resident students
Minimum Criteria: a minimum GPA of 3.0
Separate application needed: Yes
Application deadline: October 26

Earl Swanson Memorial Scholarship
Total Worth: Varies
Eligibility: Varies
Minimum Criteria: Minimum 3.00 cumulative GPA required, as well as a 3.00 GPA in the last semester completed at ISU
Separate application needed: Yes
Application deadline: September 28

ASISU Undergraduate and PharmD Scholarship
Total Worth: Varies
Eligibility: Varies
Minimum Criteria: a minimum 2.75 cumulative GPA
Separate application needed: Yes
Application deadline: October 12

Idaho State University provides aids at an average of 8422 per student meeting 49% of students need. 99% of students with need receive financial aid at an average of 4691 need-based grant. They also provide other scholarships including VA Education Benefits – Yellow Ribbon Program.