We oppose the teaching of Higher Order Thinking Skills (HOTS) (values clarification), critical thinking skills and similar programs that are simply a relabeling of Outcome-Based Education (OBE) (mastery learning) which focus on behavior modification and have the purpose of challenging the student’s fixed beliefs and undermining parental authority.

2012 Republican Party of Texas: Report of Platform Commitee (via Truthhout)

So basically the GOP is against critical thinking in school.