Rice actually released some of this data in 2003- a little dated but at least in 2003 few Rice athletes or football players would fit under Category C (lower tha 2.5 GPA or 900 SAT) much less NCAA minimum standards.
On the Stanford, Duke, Vandy question:
There is extensive data available in the Rice University athletics report:
http://professor.rice.edu/images/professor/report.pdfRice has among the highest NCAA Div I academic standards, perhaps second only to Stanford. You can use these numbers as representative of the very top Div 1 academic schools inc. Stanford and Duke.
The average SATs at Rice in 2003:
1447 -- non athletes
1103 -- male athletes
1187 -- female athletes
1152 -- male baseball
1082 -- male football
1034 -- male basketball
1211 -- male athletes (not baseball, football, basketball)
1236 -- female swimming
1158 -- female volleyball
1102 -- female basketball
1216 -- female athletes (not swimming, volleyball, basketball)
19% of Rice's male athletes had SATs below 1000.
8% of Rice's femal athletes had SATs below 1000.
96 of Rice's 301 male athletes are football players.