U of Delaware is first with 92%.

Incidentally, both are in the Mid Atlantic.

beat U of Wisconsin-La Crosse (86%), U of Puget Sound (86%), Misericordia Univ (86%), and Lebanon Valley College (86%), and others, ending with Tennessee State Univ (56%).

5 out of the other 80 colleges were ruled out due to missing, unknown, or not-applicable values for full-time retention rate, e.g., U of St Augustine for Health Sciences.

1. Student retention data are from the file total entering class, retention rates, and student-to-faculty ratio: 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.
   

U of Scranton is in Scranton, PA, is private and nonprofit, is Roman Catholic, a top-100 party school, accepts the Common Application, grants doctorates, has a nursing major, has its top Masters major in education, has its top major in nursing, offers on-campus housing, requires test scores for undergrad admissions, is on the semester system, its top Doctoral major is physical therapy/therapist, its top Associates major is liberal arts and sciences/liberal studies, and enrolls from 5,000 to 9,999 students.

• PayScale mid-career median salary ranking (195th place)
• research spending ($500K)
• average full-time teaching salary ($80,035)
• in-state undergrad tuition & fees ($37,456)
• out-of-state undergrad tuition & fees ($37,456)
• average grant aid to undergrads ($18,510)
• endowment per full-time student ($17,990)
• average undergrad student loan ($8,280)
• cost of a shared room ($7,930)
• research spending per student ($73)
• undergrads who get financial aid (94%)
• full-time retention rate (87%)
• undergrads who receive student loans (74%)
• undergrads among full-time students (68.5%)
• ratio of female full-time freshmen (57.7%)
• in-state freshmen (36.9%)
• grad students who are under 25 years old (22.9%)
• undergrads who get Pell grants (19%)
• average teaching salary differential (men vs. women, 18.3%)
• tuition & fees increase over three years (13.1%)
• minorities (11.7%)
• Hispanics (5.4%)
• undergrads who are 25 years or older (3.7%)
• Blacks or African Americans (3.3%)
• Asians (2.7%)
• foreign students (2.5%)
• American Indians or Alaska Natives (0.3%)
• non-resident tuition & fees surcharge (0%)
• average teaching salary differential (women vs. men, -15.5%)
• 25th percentile SAT math score (530)
• 25th percentile SAT reading score (510)
• 75th percentile SAT math score (620)
• 75th percentile SAT reading score (600)
• alumni who played in the National Football League (6)
• average January temperature (25.8 degrees)
• dorm capacity (2,640)
• first-year applicants (9,672)
• foreign students (188)
• full-time grad students (1,084)
• full-time undergrads (3,847)
• grad students (1,857)
• members of the National Academy of Sciences (0)
• men's basketball Final Four appearances (0)
• Rhodes Scholar alumni (0)
• undergrads (4,041)
• yearly for-credit students (7,511)
• on-campus yearly property crimes per thousand students (0.4)
• students per faculty member (15)
• annual rainfall (38.3 inches)
• diversity and inclusion ratio (0.03)
• elevation (234 meters)

Sources