U of Pikeville is first with 7.2%.

tied with Saint Marys College of California (7.9%).

Incidentally, all 3 have their top major in business.

beat Virginia State Univ (10.1%), Castleton State College (10.2%), Southern Adventist Univ (11.3%), and Houston Baptist Univ (11.4%), and others, ending with Excelsior College (93.6%).

74 out of the other 178 colleges were ruled out due to missing, unknown, or not-applicable values for undergrads who are 25 years or older, e.g., Trinity College of Nursing & Health Sciences.

1. 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).
   
2. Information on majors and programs of study is from the Completions Data File, 2011-12 (Provisional release) as reported by the National Center for Education Statistics (http://nces.ed.gov/ipeds). Top majors are the ones that have the most conferred degrees. If it says "is in" rather than just "is", then various top majors were combined into a new attribute. For example, colleges whose top major is "in engineering" will include a college whose top major is chemical engineering, another whose top major is electrical engineering, and so on.
   

Lock Haven Univ is in Lock Haven, PA, is public, is in the Pennsylvania State Athletic Conference, degree-granting, has its top Associates major in nursing, has its top major in business, offers on-campus housing, requires test scores for undergrad admissions, is on the semester system, its top Masters major is physician assistant, and enrolls from 5,000 to 9,999 students.

• PayScale mid-career median salary ranking (968th place)
• research spending ($100K)
• average full-time teaching salary ($80,237)
• out-of-state undergrad tuition & fees ($16,390)
• in-state undergrad tuition & fees ($8,564)
• average undergrad student loan ($6,792)
• average grant aid to undergrads ($6,042)
• cost of a shared room ($4,712)
• endowment per full-time student ($1,812)
• research spending per student ($10)
• undergrads among full-time students (93.3%)
• in-state freshmen (93%)
• non-resident tuition & fees surcharge (91.4%)
• undergrads who get financial aid (89%)
• undergrads who receive student loans (82%)
• full-time retention rate (71%)
• ratio of female full-time freshmen (57.2%)
• undergrads who get Pell grants (40%)
• grad students who are under 25 years old (33.4%)
• tuition & fees increase over three years (20.2%)
• minorities (9.1%)
• disabled students (8%)
• undergrads who are 25 years or older (7.9%)
• Blacks or African Americans (6.1%)
• Hispanics (2%)
• foreign students (1.5%)
• average teaching salary differential (men vs. women, 0.8%)
• Asians (0.8%)
• American Indians or Alaska Natives (0.2%)
• average teaching salary differential (women vs. men, -0.8%)
• 25th percentile SAT math score (430)
• 25th percentile SAT reading score (420)
• 25th percentile SAT writing score (400)
• 75th percentile SAT math score (530)
• 75th percentile SAT reading score (510)
• 75th percentile SAT writing score (500)
• alumni who played in the National Football League (2)
• average January temperature (26.4 degrees)
• dorm capacity (1,898)
• first-year applicants (5,072)
• foreign students (91)
• full-time grad students (172)
• full-time undergrads (4,638)
• grad students (359)
• members of the National Academy of Sciences (0)
• men's basketball Final Four appearances (0)
• Rhodes Scholar alumni (0)
• total 75th percentile SAT score (1,540)
• undergrads (4,969)
• yearly for-credit students (6,062)
• on-campus yearly property crimes per thousand students (2.64)
• students per faculty member (21)
• annual rainfall (40.8 inches)
• diversity and inclusion ratio (0.05)
• elevation (183 meters)

Sources