Here is the Big Ten APR scores. It's nice to know that not only was Iowa one of the worst Big Ten teams ever, but also below average academically.
Big Ten Conference
Average Score: 966
Median Score: 962
Score Range: 66 (929 to 995)
# of Teams Below Minimum: 0
Michigan State - 995
Penn State - 995
Northwestern - 990
Michigan - 970
Wisconsin - 970
Minnesota - 964
Illinois - 964
Purdue - 954
Ohio State - 952
Iowa - 939
Indiana - 929
The minimum score was 925.
Big Ten Conference
Average Score: 966
Median Score: 962
Score Range: 66 (929 to 995)
# of Teams Below Minimum: 0
Michigan State - 995
Penn State - 995
Northwestern - 990
Michigan - 970
Wisconsin - 970
Minnesota - 964
Illinois - 964
Purdue - 954
Ohio State - 952
Iowa - 939
Indiana - 929
The minimum score was 925.