Truman State Univ is first with 64.7%.

Incidentally, both are NCAA members.

beat Logan Univ (43.2%), Washington Univ in St Louis (36.2%), U of Missouri-Columbia (32.7%), and U of Missouri-Kansas City (32%), and others, ending with U of Phoenix-St Louis Campus (3.3%).

66 out of the other 94 colleges were ruled out due to missing, unknown, or not-applicable values for grad students who are under 25 years old, e.g., Kenrick Glennon Seminary.

1. College geographic information is from the IPEDS Directory, 2012-13 (Provisional release) by the National Center for Education Statistics (http://nces.ed.gov/ipeds).
   
2. Information on numbers and ages of the undergrad and graduate student body is from the file enrollment by age, gender, attendance status, and level of student: Fall 2012 (Provisional release) as reported by the National Center for Education Statistics (http://nces.ed.gov/ipeds).
   

Rockhurst Univ is in Kansas City, MO, is private and nonprofit, is Roman Catholic, grants doctorates, has a nursing major, has its top major in nursing, offers on-campus housing, requires test scores for undergrad admissions, is on the semester system, its top Masters major is business administration and management, its top Doctoral major is physical therapy/therapist, and enrolls from 1,000 to 4,999 students.

• PayScale mid-career median salary ranking (368th place)
• average full-time teaching salary ($60,391)
• in-state undergrad tuition & fees ($29,840)
• out-of-state undergrad tuition & fees ($29,840)
• average grant aid to undergrads ($20,924)
• endowment per full-time student ($14,939)
• average undergrad student loan ($6,640)
• cost of a shared room ($5,060)
• research spending per student ($6)
• research spending ($0.0K)
• undergrads who get financial aid (100%)
• undergrads who receive student loans (92%)
• full-time retention rate (86%)
• undergrads among full-time students (76.9%)
• in-state freshmen (64.7%)
• ratio of female full-time freshmen (61%)
• grad students who are under 25 years old (44%)
• undergrads who get Pell grants (26%)
• average teaching salary differential (men vs. women, 22.6%)
• tuition & fees increase over three years (15.5%)
• minorities (15%)
• undergrads who are 25 years or older (6.6%)
• Blacks or African Americans (6.1%)
• Hispanics (5.3%)
• Asians (3.2%)
• American Indians or Alaska Natives (0.4%)
• non-resident tuition & fees surcharge (0%)
• foreign students (0%)
• average teaching salary differential (women vs. men, -18.5%)
• 25th percentile SAT math score (510)
• 25th percentile SAT reading score (490)
• 75th percentile SAT math score (640)
• 75th percentile SAT reading score (590)
• alumni who played in the National Football League (0)
• average January temperature (31.0 degrees)
• dorm capacity (939)
• first-year applicants (2,184)
• foreign students (0)
• full-time grad students (409)
• full-time undergrads (1,486)
• grad students (648)
• members of the National Academy of Sciences (0)
• men's basketball Final Four appearances (0)
• Rhodes Scholar alumni (0)
• undergrads (2,160)
• yearly for-credit students (3,234)
• on-campus yearly property crimes per thousand students (1.13)
• students per faculty member (13)
• annual rainfall (39.1 inches)
• diversity and inclusion ratio (0.01)
• elevation (276 meters)

Sources