If the goal is to avoid “cutthroat” or stressful environments, perhaps it may be more important to consider whether:
a. The student is directly admitted to the CS major, or
b. If the student is not directly admitted to the CS major, the GPA threshold or level of competition to enter the CS major is not extremely high. See http://talk.collegeconfidential.com/discussion/comment/19262574/#Comment_19262574 for a list of popular schools.